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 United States 71 32.3%
2 China 70 31.8%
3 Netherlands 20 9.1%
4 Germany 16 7.3%
5 Hong Kong 7 3.2%
6 Canada 6 2.7%
7 Senegal 6 2.7%
8 Nigeria 4 1.8%
9 India 4 1.8%
10 Australia 3 1.4%
11 Singapore 3 1.4%
12 Taiwan 3 1.4%
13 France 2 0.9%
14 Japan 2 0.9%
15 Malaysia 2 0.9%
16 Finland 1 0.5%