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 170 40.7%
2 China 168 40.2%
3 Germany 34 8.1%
4 Hong Kong 10 2.4%
5 India 5 1.2%
6 Kazakhstan 5 1.2%
7 Taiwan 5 1.2%
8 Singapore 3 0.7%
9 United Kingdom 3 0.7%
10 Cambodia 3 0.7%
11 Canada 3 0.7%
12 Japan 2 0.5%
13 Turkey 2 0.5%
14 Senegal 2 0.5%
15 Belgium 1 0.2%
16 Peru 1 0.2%
17 Russia 1 0.2%