BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 139 38.2%
2 United States 109 29.9%
3 Germany 27 7.4%
4 Netherlands 19 5.2%
5 France 17 4.7%
6 Korea, Republic of 11 3%
7 Czech Republic 8 2.2%
8 Taiwan 5 1.4%
9 Japan 4 1.1%
10 Senegal 3 0.8%
11 Hong Kong 3 0.8%
12 India 2 0.5%
13 Italy 2 0.5%
14 2 0.5%
15 Brazil 2 0.5%
16 Singapore 2 0.5%
17 Switzerland 2 0.5%
18 Russia 2 0.5%
19 Ukraine 1 0.3%
20 United Kingdom 1 0.3%
21 Philippines 1 0.3%
22 Mexico 1 0.3%
23 Canada 1 0.3%