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 168 48.4%
2 United States 66 19%
3 Germany 31 8.9%
4 France 25 7.2%
5 Netherlands 19 5.5%
6 Czech Republic 8 2.3%
7 Taiwan 5 1.4%
8 United Kingdom 4 1.2%
9 Canada 4 1.2%
10 Korea, Republic of 3 0.9%
11 Senegal 2 0.6%
12 Norway 2 0.6%
13 India 2 0.6%
14 Japan 2 0.6%
15 2 0.6%
16 Brazil 2 0.6%
17 Philippines 1 0.3%
18 Romania 1 0.3%