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 447 44.3%
2 United States 250 24.8%
3 Netherlands 103 10.2%
4 Germany 54 5.3%
5 Hong Kong 23 2.3%
6 Russia 20 2%
7 Sweden 19 1.9%
8 France 16 1.6%
9 Korea, Republic of 14 1.4%
10 Japan 12 1.2%
11 Taiwan 7 0.7%
12 Switzerland 6 0.6%
13 Canada 6 0.6%
14 Finland 5 0.5%
15 Cote D'ivoire 4 0.4%
16 Mauritius 4 0.4%
17 United Kingdom 4 0.4%
18 Romania 3 0.3%
19 India 3 0.3%
20 Ireland 2 0.2%
21 Philippines 2 0.2%
22 United Arab Emirates 2 0.2%
23 Slovenia 1 0.1%
24 South Africa 1 0.1%
25 Norway 1 0.1%
26 Kyrgyzstan 1 0.1%