Researcher Profile Statistics: Koopman, Siem Jan

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Geo Map
Region #
EU - Europe 258
AS - Asia, other 1
Total 259
Country #
FR - France 155
GB - United Kingdom 99
DE - Germany 2
CN - China 1
TR - Turkey 1
UA - Ukraine 1
Total 259
City #
Southend 99
Unknown 160
Total 259


Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Tot
2017 00 0011 1010 00 4
2018 01 0000 474810 00 97
2019 16 472961 0004 10 158
Ever 259