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 145 31.9%
2 United States 130 28.6%
3 Netherlands 64 14.1%
4 Germany 35 7.7%
5 France 24 5.3%
6 Taiwan 17 3.7%
7 Czech Republic 9 2%
8 Hong Kong 6 1.3%
9 Korea, Republic of 5 1.1%
10 Senegal 4 0.9%
11 United Kingdom 4 0.9%
12 Japan 3 0.7%
13 India 2 0.4%
14 2 0.4%
15 Canada 2 0.4%
16 Philippines 2 0.4%
17 Romania 1 0.2%