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 225 50%
2 United States 108 24%
3 Germany 39 8.7%
4 Canada 22 4.9%
5 Hong Kong 16 3.6%
6 Netherlands 7 1.6%
7 Russia 5 1.1%
8 Singapore 5 1.1%
9 Taiwan 5 1.1%
10 Japan 4 0.9%
11 Lithuania 4 0.9%
12 Botswana 3 0.7%
13 United Kingdom 3 0.7%
14 Ukraine 2 0.4%
15 Czech Republic 2 0.4%