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 506 42.9%
2 United States 349 29.6%
3 Netherlands 83 7%
4 Germany 81 6.9%
5 France 46 3.9%
6 Sweden 28 2.4%
7 Russia 14 1.2%
8 Canada 11 0.9%
9 Korea, Republic of 10 0.8%
10 India 9 0.8%
11 Hong Kong 8 0.7%
12 Cote D'ivoire 6 0.5%
13 United Kingdom 6 0.5%
14 Taiwan 3 0.3%
15 Togo 3 0.3%
16 Moldova, Republic of 3 0.3%
17 Singapore 2 0.2%
18 Finland 2 0.2%
19 Japan 2 0.2%
20 Switzerland 2 0.2%
21 Romania 2 0.2%
22 Brazil 1 0.1%
23 Philippines 1 0.1%
24 Poland 1 0.1%
25 Macao 1 0.1%