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 194 47.1%
2 United States 69 16.7%
3 Germany 34 8.3%
4 United Kingdom 21 5.1%
5 France 18 4.4%
6 Canada 13 3.2%
7 Sweden 11 2.7%
8 Netherlands 9 2.2%
9 Hong Kong 9 2.2%
10 Kenya 6 1.5%
11 Korea, Republic of 5 1.2%
12 Taiwan 5 1.2%
13 Russia 4 1%
14 India 4 1%
15 Finland 3 0.7%
16 Italy 2 0.5%
17 Mongolia 2 0.5%
18 Greece 2 0.5%
19 Japan 1 0.2%