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 244 36%
2 China 181 26.7%
3 Netherlands 75 11.1%
4 France 39 5.8%
5 Germany 38 5.6%
6 United Kingdom 24 3.5%
7 Taiwan 17 2.5%
8 Russia 16 2.4%
9 Hong Kong 9 1.3%
10 India 6 0.9%
11 Finland 5 0.7%
12 Korea, Republic of 5 0.7%
13 Moldova, Republic of 4 0.6%
14 Estonia 4 0.6%
15 3 0.4%
16 Senegal 3 0.4%
17 Serbia 1 0.1%
18 Philippines 1 0.1%
19 Canada 1 0.1%
20 Japan 1 0.1%