Researcher Profile Statistics: Kopka, Joachim

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Geo Map
Region #
NA - North America 158
EU - Europe 84
AF - Africa 28
AS - Asia, other 18
SA - South America 5
Unknown 1514
Total 1807
Country #
US - United States of America 158
FR - France 58
CI - Cote d'Ivoire 28
DE - Germany 10
CN - China 9
GB - United Kingdom 8
BR - Brazil 5
SG - Singapore 5
FI - Finland 3
HK - Hong Kong 3
other - Other Country 1520
Total 1807
City #
Southend 8
Ann Arbor 5
Eindhoven 3
Shenzhen 3
Baoshan 1
Hefei 1
Huizhou 1
Nanjing 1
San Mateo 1
Wenshan City 1
other 1782
Total 1807


Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Tot
2020 00 0000 0000 05 5
2021 87 4632 1311 30 39
2022 61 1011 0570 24 28
2023 996 54213 361182 574 400
2024 2223 10452963 81674917 64 470
2025 653 69628322 5272118 9013 595
Ever 1807