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 220 46.3%
2 United States 93 19.6%
3 Netherlands 47 9.9%
4 Germany 34 7.2%
5 France 26 5.5%
6 Taiwan 13 2.7%
7 Czech Republic 10 2.1%
8 India 5 1.1%
9 Japan 4 0.8%
10 Hong Kong 4 0.8%
11 3 0.6%
12 United Kingdom 3 0.6%
13 Senegal 3 0.6%
14 Belgium 2 0.4%
15 Canada 2 0.4%
16 Romania 2 0.4%
17 Brazil 1 0.2%
18 Serbia 1 0.2%
19 Sweden 1 0.2%
20 Philippines 1 0.2%