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 131 38.1%
2 United States 87 25.3%
3 Germany 36 10.5%
4 Netherlands 20 5.8%
5 France 19 5.5%
6 Taiwan 11 3.2%
7 Czech Republic 9 2.6%
8 United Kingdom 5 1.5%
9 Senegal 4 1.2%
10 Korea, Republic of 4 1.2%
11 India 4 1.2%
12 Canada 3 0.9%
13 2 0.6%
14 Hong Kong 2 0.6%
15 Norway 2 0.6%
16 Singapore 2 0.6%
17 Philippines 1 0.3%
18 Japan 1 0.3%
19 Kenya 1 0.3%