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 United States 202 31%
2 China 201 30.8%
3 Germany 51 7.8%
4 Netherlands 47 7.2%
5 United Kingdom 44 6.7%
6 France 28 4.3%
7 Russia 19 2.9%
8 Hong Kong 10 1.5%
9 Taiwan 9 1.4%
10 Korea, Republic of 8 1.2%
11 Canada 6 0.9%
12 Senegal 6 0.9%
13 5 0.8%
14 India 3 0.5%
15 Estonia 3 0.5%
16 Philippines 2 0.3%
17 Israel 2 0.3%
18 Ukraine 2 0.3%
19 Japan 1 0.2%
20 Brazil 1 0.2%
21 Czech Republic 1 0.2%
22 Poland 1 0.2%