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 154 50.5%
2 United States 90 29.5%
3 Germany 38 12.5%
4 Canada 4 1.3%
5 Ireland 3 1%
6 Russia 2 0.7%
7 Singapore 2 0.7%
8 South Africa 2 0.7%
9 Hong Kong 2 0.7%
10 France 2 0.7%
11 United Kingdom 2 0.7%
12 Viet Nam 2 0.7%
13 Taiwan 1 0.3%
14 Saudi Arabia 1 0.3%