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 389 61.1%
2 United States 107 16.8%
3 Germany 57 8.9%
4 Taiwan 20 3.1%
5 Hong Kong 16 2.5%
6 Japan 14 2.2%
7 Russia 8 1.3%
8 Singapore 6 0.9%
9 Korea, Republic of 6 0.9%
10 United Kingdom 2 0.3%
11 Netherlands 2 0.3%
12 India 2 0.3%
13 Israel 2 0.3%
14 Finland 2 0.3%
15 Belgium 1 0.2%
16 Brazil 1 0.2%
17 Canada 1 0.2%
18 Mongolia 1 0.2%