BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 United States 97 49%
2 Netherlands 28 14.1%
3 Sweden 22 11.1%
4 China 21 10.6%
5 Russia 12 6.1%
6 Mexico 3 1.5%
7 Japan 3 1.5%
8 Canada 2 1%
9 Hong Kong 2 1%
10 Finland 2 1%
11 France 2 1%
12 Germany 1 0.5%
13 Korea, Republic of 1 0.5%
14 Taiwan 1 0.5%
15 United Kingdom 1 0.5%