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 220 39.1%
2 China 168 29.9%
3 Germany 60 10.7%
4 United Kingdom 22 3.9%
5 Russia 18 3.2%
6 South Africa 14 2.5%
7 Sweden 12 2.1%
8 Ireland 10 1.8%
9 Taiwan 7 1.2%
10 Thailand 6 1.1%
11 Israel 5 0.9%
12 Netherlands 3 0.5%
13 Costa Rica 3 0.5%
14 Senegal 3 0.5%
15 Singapore 2 0.4%
16 Denmark 2 0.4%
17 Hong Kong 2 0.4%
18 Poland 2 0.4%
19 Indonesia 1 0.2%
20 Armenia 1 0.2%
21 Ukraine 1 0.2%