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 176 37.2%
2 United States 122 25.8%
3 Netherlands 51 10.8%
4 Germany 40 8.5%
5 France 32 6.8%
6 Taiwan 21 4.4%
7 Korea, Republic of 5 1.1%
8 Hong Kong 4 0.8%
9 Senegal 4 0.8%
10 United Kingdom 3 0.6%
11 3 0.6%
12 Canada 2 0.4%
13 Czech Republic 2 0.4%
14 India 2 0.4%
15 Singapore 2 0.4%
16 Philippines 2 0.4%
17 Russia 1 0.2%
18 Luxembourg 1 0.2%