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 707 38.9%
2 United States 453 24.9%
3 Netherlands 222 12.2%
4 Germany 150 8.3%
5 France 77 4.2%
6 Canada 20 1.1%
7 India 20 1.1%
8 Korea, Republic of 19 1%
9 Czech Republic 18 1%
10 Russia 16 0.9%
11 South Africa 14 0.8%
12 Sweden 13 0.7%
13 Taiwan 12 0.7%
14 Cote D'ivoire 11 0.6%
15 Hong Kong 10 0.6%
16 Iran, Islamic Republic of 10 0.6%
17 Ireland 10 0.6%
18 Belarus 7 0.4%
19 Senegal 5 0.3%
20 Philippines 5 0.3%
21 United Kingdom 3 0.2%
22 Brazil 3 0.2%
23 Norway 2 0.1%
24 Oman 2 0.1%
25 Puerto Rico 2 0.1%
26 Singapore 2 0.1%
27 Slovakia 1 0.1%
28 Poland 1 0.1%
29 Ukraine 1 0.1%
30 Mongolia 1 0.1%
31 Italy 1 0.1%