Researcher Profile Statistics: Chang, T.C.

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Geo Map
Region #
AS - Asia, other 555
EU - Europe 363
NA - North America 28
AF - Africa 9
OC - Oceania 1
Unknown 28
Total 984
Country #
CN - China 413
FR - France 332
SG - Singapore 108
US - United States of America 17
DE - Germany 14
CA - Canada 11
KR - Korea 11
HK - Hong Kong 7
NG - Nigeria 6
IN - India 5
other - Other Country 60
Total 984
City #
Shenzhen 291
Singapore 83
Tianjin 17
Nanjing 15
Guangzhou 12
Beijing 10
Chengdu 7
Hangzhou 7
Lagos 6
Ningbo 6
other 530
Total 984


Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Tot
2017 00 0000 0000 409 49
2018 1715 21332023 46222324 1320 277
2019 2312 174138 712147 122 158
2020 5330 109116 22387 136 430
2021 24 51754 2968 80 70
Ever 984