Open Access
Open access

IET Nanodielectrics

Institution of Engineering and Technology (IET)
Institution of Engineering and Technology (IET)
ISSN: 25143255

Are you a researcher?

Create a profile to get free access to personal recommendations for colleagues and new articles.
SCImago
Q2
WOS
Q2
Impact factor
3.8
SJR
0.632
CiteScore
5.1
Categories
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials
Materials Chemistry
Areas
Engineering
Materials Science
Physics and Astronomy
Years of issue
2018-2025
journal names
IET Nanodielectrics
IET NANODIELECTR
Publications
152
Citations
2 562
h-index
25
Publications
115
Citations
2 417
Top-3 citing journals
Top-3 organizations
Top-3 countries
China (101 publications)
India (23 publications)
USA (11 publications)
China (65 publications)
India (16 publications)
USA (9 publications)

Most cited in 5 years

Found 
Found 

Top-100

Citing journals

20
40
60
80
100
120
IET Nanodielectrics
108 citations, 4.22%
Ceramics International
78 citations, 3.04%
Journal of Materials Science: Materials in Electronics
70 citations, 2.73%
IEEE Transactions on Dielectrics and Electrical Insulation
64 citations, 2.5%
Journal of Applied Polymer Science
55 citations, 2.15%
Chemical Engineering Journal
52 citations, 2.03%
Polymers
44 citations, 1.72%
Energies
38 citations, 1.48%
Polymer
36 citations, 1.41%
ACS applied materials & interfaces
34 citations, 1.33%
Journal of Polymer Research
34 citations, 1.33%
Composites Science and Technology
30 citations, 1.17%
Journal of Alloys and Compounds
28 citations, 1.09%
Advanced Functional Materials
25 citations, 0.98%
Polymer Composites
25 citations, 0.98%
Advanced Materials
24 citations, 0.94%
Journal of Materials Chemistry A
23 citations, 0.9%
Journal of Materials Chemistry C
22 citations, 0.86%
Nanomaterials
21 citations, 0.82%
Journal Physics D: Applied Physics
20 citations, 0.78%
Applied Physics Letters
19 citations, 0.74%
Small
19 citations, 0.74%
Journal of Applied Physics
19 citations, 0.74%
ACS Applied Energy Materials
17 citations, 0.66%
Materials Today Energy
17 citations, 0.66%
Materials
17 citations, 0.66%
Journal of Electronic Materials
16 citations, 0.62%
ACS Applied Polymer Materials
16 citations, 0.62%
High Voltage
15 citations, 0.59%
Energy Storage Materials
15 citations, 0.59%
Composites - Part A: Applied Science and Manufacturing
15 citations, 0.59%
ACS Omega
15 citations, 0.59%
Composites Part B: Engineering
14 citations, 0.55%
Progress in Polymer Science
14 citations, 0.55%
Journal of Molecular Liquids
13 citations, 0.51%
Advanced Engineering Materials
13 citations, 0.51%
Polymer-Plastics Technology and Materials
12 citations, 0.47%
Journal of Energy Storage
12 citations, 0.47%
Arabian Journal for Science and Engineering
12 citations, 0.47%
IEEE Access
12 citations, 0.47%
Journal of Materials Science
11 citations, 0.43%
Materials Today Communications
11 citations, 0.43%
Journal of the American Ceramic Society
11 citations, 0.43%
Advanced Materials Technologies
10 citations, 0.39%
Materials Research Express
10 citations, 0.39%
Macromolecular Rapid Communications
10 citations, 0.39%
Journal of Power Sources
10 citations, 0.39%
Sensors
10 citations, 0.39%
Macromolecules
10 citations, 0.39%
Nano Energy
10 citations, 0.39%
Applied Materials Today
9 citations, 0.35%
Materials Science and Engineering B: Solid-State Materials for Advanced Technology
9 citations, 0.35%
Materials Chemistry and Physics
9 citations, 0.35%
Scientific Reports
9 citations, 0.35%
Applied Sciences (Switzerland)
9 citations, 0.35%
Modeling Nanoscale Imaging in Electron Microscopy
9 citations, 0.35%
Materials Horizons
8 citations, 0.31%
Molecules
8 citations, 0.31%
Composites Communications
8 citations, 0.31%
Journal of the European Ceramic Society
8 citations, 0.31%
Industrial & Engineering Chemistry Research
8 citations, 0.31%
Lecture Notes in Electrical Engineering
8 citations, 0.31%
Applied Physics A: Materials Science and Processing
8 citations, 0.31%
Progress in Materials Science
8 citations, 0.31%
Advanced Composites and Hybrid Materials
8 citations, 0.31%
Surfaces and Interfaces
7 citations, 0.27%
ACS Applied Nano Materials
7 citations, 0.27%
Advanced Science
7 citations, 0.27%
Electronics (Switzerland)
7 citations, 0.27%
AIP Advances
7 citations, 0.27%
Journal of Materiomics
7 citations, 0.27%
IEEE Sensors Journal
7 citations, 0.27%
Acta Physica Sinica
7 citations, 0.27%
Physical Chemistry Chemical Physics
6 citations, 0.23%
Energy and Environmental Science
6 citations, 0.23%
Synthetic Metals
6 citations, 0.23%
European Polymer Journal
6 citations, 0.23%
Energy Reports
6 citations, 0.23%
Sensors and Actuators, A: Physical
6 citations, 0.23%
Advanced Energy Materials
6 citations, 0.23%
Inorganic Chemistry Communication
6 citations, 0.23%
Journal of Polymer Science
6 citations, 0.23%
Journal of Industrial and Engineering Chemistry
5 citations, 0.2%
Journal of Advanced Ceramics
5 citations, 0.2%
Journal of Physical Chemistry C
5 citations, 0.2%
ECS Journal of Solid State Science and Technology
5 citations, 0.2%
Materials Research Bulletin
5 citations, 0.2%
Applied Surface Science
5 citations, 0.2%
Chemical Reviews
5 citations, 0.2%
Nanotechnology
5 citations, 0.2%
Macromolecular Chemistry and Physics
5 citations, 0.2%
ACS Sustainable Chemistry and Engineering
5 citations, 0.2%
Langmuir
5 citations, 0.2%
ACS Applied Electronic Materials
5 citations, 0.2%
Nano Express
5 citations, 0.2%
Micromachines
4 citations, 0.16%
Materials Today Chemistry
4 citations, 0.16%
Polymer Engineering and Science
4 citations, 0.16%
Journal of Physics: Conference Series
4 citations, 0.16%
Reactive and Functional Polymers
4 citations, 0.16%
20
40
60
80
100
120

Citing publishers

100
200
300
400
500
600
700
800
Elsevier
730 citations, 28.49%
Wiley
329 citations, 12.84%
Springer Nature
298 citations, 11.63%
Institute of Electrical and Electronics Engineers (IEEE)
256 citations, 9.99%
MDPI
204 citations, 7.96%
American Chemical Society (ACS)
177 citations, 6.91%
Institution of Engineering and Technology (IET)
132 citations, 5.15%
Royal Society of Chemistry (RSC)
113 citations, 4.41%
IOP Publishing
67 citations, 2.62%
AIP Publishing
56 citations, 2.19%
Taylor & Francis
43 citations, 1.68%
SAGE
14 citations, 0.55%
Frontiers Media S.A.
12 citations, 0.47%
World Scientific
8 citations, 0.31%
Chinese Ceramic Society
8 citations, 0.31%
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
7 citations, 0.27%
Walter de Gruyter
6 citations, 0.23%
Pleiades Publishing
5 citations, 0.2%
Tsinghua University Press
5 citations, 0.2%
Ceramic Society of Japan
5 citations, 0.2%
The Electrochemical Society
5 citations, 0.2%
Korean Society of Industrial Engineering Chemistry
4 citations, 0.16%
Hindawi Limited
4 citations, 0.16%
OAE Publishing Inc.
4 citations, 0.16%
Trans Tech Publications
3 citations, 0.12%
Science in China Press
3 citations, 0.12%
Higher Education Press
2 citations, 0.08%
Public Library of Science (PLoS)
2 citations, 0.08%
Japan Society of Applied Physics
2 citations, 0.08%
Nonferrous Metals Society of China
2 citations, 0.08%
Korean Ceramic Society
2 citations, 0.08%
Taiwan Institute of Chemical Engineers
2 citations, 0.08%
National Academy of Sciences of Ukraine (Co. LTD Ukrinformnauka) (Publications)
2 citations, 0.08%
World Scientific and Engineering Academy and Society (WSEAS)
2 citations, 0.08%
Research Square Platform LLC
2 citations, 0.08%
Oxford University Press
1 citation, 0.04%
Bentham Science Publishers Ltd.
1 citation, 0.04%
EDP Sciences
1 citation, 0.04%
Mary Ann Liebert
1 citation, 0.04%
Optica Publishing Group
1 citation, 0.04%
Acoustical Society of America (ASA)
1 citation, 0.04%
Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences
1 citation, 0.04%
Wuhan University of Technology
1 citation, 0.04%
University of Science and Technology Beijing
1 citation, 0.04%
American Vacuum Society
1 citation, 0.04%
Polymer Society of Korea
1 citation, 0.04%
Ain Shams University
1 citation, 0.04%
Oriental Scientific Publishing Company
1 citation, 0.04%
Samara National Research University
1 citation, 0.04%
The Russian Academy of Sciences
1 citation, 0.04%
Scientific Research Publishing
1 citation, 0.04%
IGI Global
1 citation, 0.04%
IntechOpen
1 citation, 0.04%
SAE International
1 citation, 0.04%
Tech Science Press
1 citation, 0.04%
Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 citation, 0.04%
Japan Society of Powder and Powder Metallurgy
1 citation, 0.04%
100
200
300
400
500
600
700
800

Publishing organizations

2
4
6
8
10
12
14
16
18
20
Tsinghua University
19 publications, 12.5%
Xi'an Jiaotong University
7 publications, 4.61%
University of Science and Technology Beijing
7 publications, 4.61%
North China Electric Power University
5 publications, 3.29%
University of Southampton
5 publications, 3.29%
Northwestern Polytechnical University
4 publications, 2.63%
Tianjin University
4 publications, 2.63%
University of Douala
4 publications, 2.63%
Indian Institute of Technology Madras
3 publications, 1.97%
Indian Institute of Technology Kanpur
3 publications, 1.97%
Indian Institute of Technology Indore
3 publications, 1.97%
Aligarh Muslim University
3 publications, 1.97%
University of Chinese Academy of Sciences
3 publications, 1.97%
Tongji University
3 publications, 1.97%
Wuhan University of Technology
3 publications, 1.97%
Shandong University of Science and Technology
3 publications, 1.97%
Chongqing University
3 publications, 1.97%
Southwest University
3 publications, 1.97%
East China University of Science and Technology
3 publications, 1.97%
Harbin University of Science and Technology
3 publications, 1.97%
Guangdong University of Technology
3 publications, 1.97%
Xi'an University of Technology
3 publications, 1.97%
Xi'An University of Science and Technology
3 publications, 1.97%
CentraleSupélec
3 publications, 1.97%
Université Paris-Saclay
3 publications, 1.97%
Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences
3 publications, 1.97%
Khalifa University
2 publications, 1.32%
Indian Institute of Technology Delhi
2 publications, 1.32%
National Institute of Technology Calicut
2 publications, 1.32%
Zhejiang University
2 publications, 1.32%
Peking University
2 publications, 1.32%
Shanghai Jiao Tong University
2 publications, 1.32%
Huazhong University of Science and Technology
2 publications, 1.32%
Fudan University
2 publications, 1.32%
Beihang University
2 publications, 1.32%
University of Electronic Science and Technology of China
2 publications, 1.32%
University of Genoa
2 publications, 1.32%
University of Technology, Malaysia
2 publications, 1.32%
Central South University
2 publications, 1.32%
Beijing University of Posts and Telecommunications
2 publications, 1.32%
Beijing University of Technology
2 publications, 1.32%
Shenzhen University
2 publications, 1.32%
Aalborg University
2 publications, 1.32%
Southern University of Science and Technology
2 publications, 1.32%
Guangdong Technion-Israel Institute of Technology
2 publications, 1.32%
Carnegie Mellon University
2 publications, 1.32%
Qilu University of Technology
2 publications, 1.32%
Pennsylvania State University
2 publications, 1.32%
Hangzhou Dianzi University
2 publications, 1.32%
Zhengzhou University
2 publications, 1.32%
Nagoya University
2 publications, 1.32%
Institute of Chemistry, Chinese Academy of Sciences
2 publications, 1.32%
Technical University of Darmstadt
2 publications, 1.32%
Ain Shams University
2 publications, 1.32%
Aswan University
2 publications, 1.32%
University of Souk Ahras Mohamed Chérif Messaadia
2 publications, 1.32%
Herzen State Pedagogical University of Russia
1 publication, 0.66%
Taif University
1 publication, 0.66%
University of Tabriz
1 publication, 0.66%
Indian Institute of Technology Kharagpur
1 publication, 0.66%
Indian Institute of Technology Bombay
1 publication, 0.66%
Indian Institute of Technology Goa
1 publication, 0.66%
Jadavpur University
1 publication, 0.66%
Siksha 'O' Anusandhan
1 publication, 0.66%
National Institute of Technology Srinagar
1 publication, 0.66%
National Institute of Technology Puducherry
1 publication, 0.66%
Islamic Azad University, Isfahan
1 publication, 0.66%
Saveetha Institute of Medical and Technical Sciences
1 publication, 0.66%
Ghulam Ishaq Khan Institute of Engineering Sciences and Technology
1 publication, 0.66%
Central University of Tamil Nadu
1 publication, 0.66%
University of Baghdad
1 publication, 0.66%
Al Mamoun University College
1 publication, 0.66%
Tata Institute of Fundamental Research
1 publication, 0.66%
Zanjan University
1 publication, 0.66%
Beijing Institute of Technology
1 publication, 0.66%
Zhejiang University of Technology
1 publication, 0.66%
Harbin Institute of Technology
1 publication, 0.66%
Sichuan University
1 publication, 0.66%
Jilin University
1 publication, 0.66%
Manipal Academy of Higher Education
1 publication, 0.66%
University of Malaya
1 publication, 0.66%
Tun Hussein Onn University of Malaysia
1 publication, 0.66%
Nanjing University of Science and Technology
1 publication, 0.66%
Nanjing University
1 publication, 0.66%
China University of Geosciences (Beijing)
1 publication, 0.66%
China University of Petroleum (East China)
1 publication, 0.66%
Beijing University of Chemical Technology
1 publication, 0.66%
Wuhan University
1 publication, 0.66%
Sun Yat-sen University
1 publication, 0.66%
Ocean University of China
1 publication, 0.66%
Beijing Institute of Petrochemical Technology
1 publication, 0.66%
Nanchang University
1 publication, 0.66%
Queen Mary University of London
1 publication, 0.66%
North University of China
1 publication, 0.66%
University of Shanghai for Science and Technology
1 publication, 0.66%
Shanghai University of Electric Power
1 publication, 0.66%
Shanghai Polytechnic University
1 publication, 0.66%
Second Military Medical University
1 publication, 0.66%
Soochow University (Suzhou)
1 publication, 0.66%
Yangzhou University
1 publication, 0.66%
2
4
6
8
10
12
14
16
18
20

Publishing organizations in 5 years

2
4
6
8
10
12
14
Tsinghua University
14 publications, 12.17%
North China Electric Power University
5 publications, 4.35%
Xi'an Jiaotong University
4 publications, 3.48%
University of Science and Technology Beijing
4 publications, 3.48%
University of Douala
4 publications, 3.48%
Indian Institute of Technology Indore
3 publications, 2.61%
University of Chinese Academy of Sciences
3 publications, 2.61%
Tongji University
3 publications, 2.61%
Harbin University of Science and Technology
3 publications, 2.61%
Tianjin University
3 publications, 2.61%
University of Southampton
3 publications, 2.61%
Indian Institute of Technology Madras
2 publications, 1.74%
Indian Institute of Technology Delhi
2 publications, 1.74%
Aligarh Muslim University
2 publications, 1.74%
Peking University
2 publications, 1.74%
Fudan University
2 publications, 1.74%
Northwestern Polytechnical University
2 publications, 1.74%
University of Genoa
2 publications, 1.74%
Wuhan University of Technology
2 publications, 1.74%
Chongqing University
2 publications, 1.74%
Southwest University
2 publications, 1.74%
East China University of Science and Technology
2 publications, 1.74%
Aalborg University
2 publications, 1.74%
Carnegie Mellon University
2 publications, 1.74%
Xi'an University of Technology
2 publications, 1.74%
Xi'An University of Science and Technology
2 publications, 1.74%
Institute of Chemistry, Chinese Academy of Sciences
2 publications, 1.74%
Technical University of Darmstadt
2 publications, 1.74%
CentraleSupélec
2 publications, 1.74%
Université Paris-Saclay
2 publications, 1.74%
University of Souk Ahras Mohamed Chérif Messaadia
2 publications, 1.74%
Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences
2 publications, 1.74%
Herzen State Pedagogical University of Russia
1 publication, 0.87%
Taif University
1 publication, 0.87%
Khalifa University
1 publication, 0.87%
University of Tabriz
1 publication, 0.87%
Indian Institute of Technology Kharagpur
1 publication, 0.87%
Indian Institute of Technology Bombay
1 publication, 0.87%
Indian Institute of Technology Kanpur
1 publication, 0.87%
Indian Institute of Technology Goa
1 publication, 0.87%
Siksha 'O' Anusandhan
1 publication, 0.87%
National Institute of Technology Srinagar
1 publication, 0.87%
Islamic Azad University, Isfahan
1 publication, 0.87%
Saveetha Institute of Medical and Technical Sciences
1 publication, 0.87%
Ghulam Ishaq Khan Institute of Engineering Sciences and Technology
1 publication, 0.87%
Central University of Tamil Nadu
1 publication, 0.87%
Tata Institute of Fundamental Research
1 publication, 0.87%
Zanjan University
1 publication, 0.87%
Beijing Institute of Technology
1 publication, 0.87%
Zhejiang University
1 publication, 0.87%
Sichuan University
1 publication, 0.87%
Jilin University
1 publication, 0.87%
Manipal Academy of Higher Education
1 publication, 0.87%
University of Electronic Science and Technology of China
1 publication, 0.87%
University of Malaya
1 publication, 0.87%
University of Technology, Malaysia
1 publication, 0.87%
Tun Hussein Onn University of Malaysia
1 publication, 0.87%
Central South University
1 publication, 0.87%
Nanjing University of Science and Technology
1 publication, 0.87%
Nanjing University
1 publication, 0.87%
Beijing University of Posts and Telecommunications
1 publication, 0.87%
China University of Geosciences (Beijing)
1 publication, 0.87%
China University of Petroleum (East China)
1 publication, 0.87%
Beijing University of Chemical Technology
1 publication, 0.87%
Wuhan University
1 publication, 0.87%
Sun Yat-sen University
1 publication, 0.87%
Ocean University of China
1 publication, 0.87%
Beijing Institute of Petrochemical Technology
1 publication, 0.87%
Nanchang University
1 publication, 0.87%
Shenzhen University
1 publication, 0.87%
University of Shanghai for Science and Technology
1 publication, 0.87%
Shanghai University of Electric Power
1 publication, 0.87%
Shanghai Polytechnic University
1 publication, 0.87%
Second Military Medical University
1 publication, 0.87%
Yangzhou University
1 publication, 0.87%
Southern University of Science and Technology
1 publication, 0.87%
Guangdong University of Technology
1 publication, 0.87%
Guangdong Technion-Israel Institute of Technology
1 publication, 0.87%
National Central University
1 publication, 0.87%
Northwest University
1 publication, 0.87%
Shaanxi University of Science and Technology
1 publication, 0.87%
Liaocheng University
1 publication, 0.87%
Pennsylvania State University
1 publication, 0.87%
University of Wollongong
1 publication, 0.87%
Khon Kaen University
1 publication, 0.87%
Prince of Songkla University
1 publication, 0.87%
Harvard University
1 publication, 0.87%
University of California, San Diego
1 publication, 0.87%
Hangzhou Dianzi University
1 publication, 0.87%
Shandong University
1 publication, 0.87%
Zhengzhou University
1 publication, 0.87%
Nagoya University
1 publication, 0.87%
University of West Attica
1 publication, 0.87%
Guangxi University
1 publication, 0.87%
Cardiff University
1 publication, 0.87%
University of Wisconsin–Madison
1 publication, 0.87%
Université Laval
1 publication, 0.87%
Texas A&M University
1 publication, 0.87%
Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences
1 publication, 0.87%
Institute of Electrical Engineering, Chinese Academy of Sciences
1 publication, 0.87%
2
4
6
8
10
12
14

Publishing countries

20
40
60
80
100
120
China, 101, 66.45%
China
101 publications, 66.45%
India, 23, 15.13%
India
23 publications, 15.13%
USA, 11, 7.24%
USA
11 publications, 7.24%
United Kingdom, 6, 3.95%
United Kingdom
6 publications, 3.95%
France, 5, 3.29%
France
5 publications, 3.29%
Bangladesh, 5, 3.29%
Bangladesh
5 publications, 3.29%
Japan, 4, 2.63%
Japan
4 publications, 2.63%
Germany, 3, 1.97%
Germany
3 publications, 1.97%
Cameroon, 3, 1.97%
Cameroon
3 publications, 1.97%
Malaysia, 3, 1.97%
Malaysia
3 publications, 1.97%
Algeria, 2, 1.32%
Algeria
2 publications, 1.32%
Denmark, 2, 1.32%
Denmark
2 publications, 1.32%
Egypt, 2, 1.32%
Egypt
2 publications, 1.32%
Iran, 2, 1.32%
Iran
2 publications, 1.32%
Italy, 2, 1.32%
Italy
2 publications, 1.32%
Canada, 2, 1.32%
Canada
2 publications, 1.32%
UAE, 2, 1.32%
UAE
2 publications, 1.32%
Thailand, 2, 1.32%
Thailand
2 publications, 1.32%
Russia, 1, 0.66%
Russia
1 publication, 0.66%
Portugal, 1, 0.66%
Portugal
1 publication, 0.66%
Australia, 1, 0.66%
Australia
1 publication, 0.66%
Greece, 1, 0.66%
Greece
1 publication, 0.66%
Iraq, 1, 0.66%
Iraq
1 publication, 0.66%
Pakistan, 1, 0.66%
Pakistan
1 publication, 0.66%
Poland, 1, 0.66%
Poland
1 publication, 0.66%
Saudi Arabia, 1, 0.66%
Saudi Arabia
1 publication, 0.66%
South Africa, 1, 0.66%
South Africa
1 publication, 0.66%
20
40
60
80
100
120

Publishing countries in 5 years

10
20
30
40
50
60
70
China, 65, 56.52%
China
65 publications, 56.52%
India, 16, 13.91%
India
16 publications, 13.91%
USA, 9, 7.83%
USA
9 publications, 7.83%
Bangladesh, 5, 4.35%
Bangladesh
5 publications, 4.35%
France, 3, 2.61%
France
3 publications, 2.61%
United Kingdom, 3, 2.61%
United Kingdom
3 publications, 2.61%
Cameroon, 3, 2.61%
Cameroon
3 publications, 2.61%
Germany, 2, 1.74%
Germany
2 publications, 1.74%
Algeria, 2, 1.74%
Algeria
2 publications, 1.74%
Denmark, 2, 1.74%
Denmark
2 publications, 1.74%
Iran, 2, 1.74%
Iran
2 publications, 1.74%
Italy, 2, 1.74%
Italy
2 publications, 1.74%
Malaysia, 2, 1.74%
Malaysia
2 publications, 1.74%
Thailand, 2, 1.74%
Thailand
2 publications, 1.74%
Russia, 1, 0.87%
Russia
1 publication, 0.87%
Portugal, 1, 0.87%
Portugal
1 publication, 0.87%
Australia, 1, 0.87%
Australia
1 publication, 0.87%
Canada, 1, 0.87%
Canada
1 publication, 0.87%
UAE, 1, 0.87%
UAE
1 publication, 0.87%
Pakistan, 1, 0.87%
Pakistan
1 publication, 0.87%
Saudi Arabia, 1, 0.87%
Saudi Arabia
1 publication, 0.87%
Japan, 1, 0.87%
Japan
1 publication, 0.87%
10
20
30
40
50
60
70