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 141 41.1%
2 United States 83 24.2%
3 Germany 37 10.8%
4 France 22 6.4%
5 Netherlands 17 5%
6 Czech Republic 9 2.6%
7 Taiwan 7 2%
8 United Kingdom 5 1.5%
9 Canada 4 1.2%
10 Japan 4 1.2%
11 Korea, Republic of 4 1.2%
12 Senegal 3 0.9%
13 Romania 2 0.6%
14 India 2 0.6%
15 2 0.6%
16 Philippines 1 0.3%