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 50 31.6%
2 United States 45 28.5%
3 Germany 21 13.3%
4 Netherlands 16 10.1%
5 India 6 3.8%
6 Nigeria 4 2.5%
7 Croatia 3 1.9%
8 France 3 1.9%
9 Italy 2 1.3%
10 Singapore 2 1.3%
11 Ukraine 2 1.3%
12 Canada 1 0.6%
13 Mexico 1 0.6%
14 Serbia 1 0.6%
15 Hong Kong 1 0.6%