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JGIS
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Vol.8 No.4, August 2016
Statistics since March 1, 2014
Has not conformed to the condition data temporarily!
Country
Percent
US
54.2%
CN
8.3%
DE
8.3%
FR
8.3%
GB
4.2%
NG
4.2%
PH
4.2%
RO
4.2%
RU
4.2%