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 585 39.1%
2 Russia 338 22.6%
3 United States 234 15.6%
4 Netherlands 92 6.1%
5 Germany 77 5.1%
6 Korea, Republic of 48 3.2%
7 France 47 3.1%
8 Canada 24 1.6%
9 Hong Kong 13 0.9%
10 Ireland 9 0.6%
11 Singapore 5 0.3%
12 India 4 0.3%
13 Taiwan 4 0.3%
14 Ukraine 3 0.2%
15 United Kingdom 2 0.1%
16 Japan 2 0.1%
17 Antigua and Barbuda 2 0.1%
18 Sweden 2 0.1%
19 Serbia 2 0.1%
20 Malaysia 2 0.1%
21 Portugal 2 0.1%
22 Australia 1 0.1%