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 144 42.5%
2 United States 81 23.9%
3 Germany 33 9.7%
4 Netherlands 23 6.8%
5 France 15 4.4%
6 Taiwan 9 2.7%
7 Czech Republic 8 2.4%
8 Japan 4 1.2%
9 United Kingdom 4 1.2%
10 Senegal 3 0.9%
11 Korea, Republic of 3 0.9%
12 India 3 0.9%
13 Finland 2 0.6%
14 2 0.6%
15 Canada 2 0.6%
16 Norway 2 0.6%
17 Philippines 1 0.3%