BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 93 47.9%
2 United States 58 29.9%
3 Canada 10 5.2%
4 United Kingdom 8 4.1%
5 Germany 6 3.1%
6 Hong Kong 4 2.1%
7 France 4 2.1%
8 Australia 2 1%
9 Senegal 2 1%
10 Singapore 2 1%
11 Taiwan 1 0.5%
12 Ukraine 1 0.5%
13 Japan 1 0.5%
14 Moldova, Republic of 1 0.5%
15 Russia 1 0.5%