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 209 52.8%
2 United States 96 24.2%
3 Germany 24 6.1%
4 France 15 3.8%
5 Korea, Republic of 12 3%
6 Netherlands 8 2%
7 Taiwan 7 1.8%
8 Japan 6 1.5%
9 Canada 4 1%
10 2 0.5%
11 Hong Kong 2 0.5%
12 India 2 0.5%
13 Senegal 2 0.5%
14 Singapore 2 0.5%
15 Norway 2 0.5%
16 Philippines 1 0.3%
17 Ukraine 1 0.3%
18 Cyprus 1 0.3%