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 China 196 56.5%
2 United States 83 23.9%
3 Germany 31 8.9%
4 Hong Kong 12 3.5%
5 Ireland 6 1.7%
6 Taiwan 3 0.9%
7 Ukraine 3 0.9%
8 United Kingdom 2 0.6%
9 France 2 0.6%
10 Canada 2 0.6%
11 Japan 2 0.6%
12 Romania 2 0.6%
13 Russia 1 0.3%
14 Singapore 1 0.3%
15 Switzerland 1 0.3%