BPG致力于知识的发现和传播
Total Visits of This Article
2017 | 总访问次数
排名 国家/地区 数量 占比
1 China 95 48%
2 United States 53 26.8%
3 Germany 16 8.1%
4 Netherlands 14 7.1%
5 France 6 3%
6 India 5 2.5%
7 Nigeria 4 2%
8 Belgium 2 1%
9 Ukraine 1 0.5%
10 Korea, Republic of 1 0.5%
11 Hong Kong 1 0.5%