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 139 30.6%
2 United States 139 30.6%
3 Netherlands 69 15.2%
4 Germany 35 7.7%
5 France 24 5.3%
6 Taiwan 9 2%
7 United Kingdom 8 1.8%
8 Korea, Republic of 4 0.9%
9 Hong Kong 4 0.9%
10 India 3 0.7%
11 Iran, Islamic Republic of 2 0.4%
12 Japan 2 0.4%
13 Finland 2 0.4%
14 2 0.4%
15 Australia 2 0.4%
16 Canada 2 0.4%
17 Philippines 2 0.4%
18 Russia 2 0.4%
19 Senegal 2 0.4%
20 Romania 1 0.2%
21 Luxembourg 1 0.2%