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 454 44.8%
2 United States 283 27.9%
3 Netherlands 77 7.6%
4 Germany 61 6%
5 France 27 2.7%
6 Sweden 23 2.3%
7 Russia 19 1.9%
8 Hong Kong 18 1.8%
9 Korea, Republic of 9 0.9%
10 India 8 0.8%
11 Australia 4 0.4%
12 Philippines 4 0.4%
13 Moldova, Republic of 4 0.4%
14 Romania 3 0.3%
15 Canada 3 0.3%
16 Cote D'ivoire 3 0.3%
17 Slovenia 3 0.3%
18 Taiwan 2 0.2%
19 Ukraine 1 0.1%
20 United Kingdom 1 0.1%
21 Serbia 1 0.1%
22 Switzerland 1 0.1%
23 Ireland 1 0.1%
24 Japan 1 0.1%
25 Poland 1 0.1%
26 Mauritius 1 0.1%
27 Argentina 1 0.1%