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 549 42.1%
2 United States 354 27.1%
3 South Africa 117 9%
4 Germany 75 5.7%
5 Netherlands 50 3.8%
6 France 32 2.5%
7 Korea, Republic of 22 1.7%
8 Senegal 13 1%
9 Canada 12 0.9%
10 India 11 0.8%
11 Russia 11 0.8%
12 Sweden 9 0.7%
13 Cote D'ivoire 9 0.7%
14 Switzerland 7 0.5%
15 Ireland 6 0.5%
16 Hong Kong 5 0.4%
17 Philippines 5 0.4%
18 Brazil 5 0.4%
19 Japan 3 0.2%
20 Denmark 2 0.2%
21 Taiwan 2 0.2%
22 Uzbekistan 2 0.2%
23 United Kingdom 1 0.1%
24 Bulgaria 1 0.1%
25 Costa Rica 1 0.1%
26 Moldova, Republic of 1 0.1%