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 94 46.5%
2 United States 47 23.3%
3 Germany 18 8.9%
4 Korea, Republic of 9 4.5%
5 Philippines 6 3%
6 Togo 5 2.5%
7 Netherlands 5 2.5%
8 Hong Kong 5 2.5%
9 France 4 2%
10 India 2 1%
11 Denmark 2 1%
12 Ireland 1 0.5%
13 Ukraine 1 0.5%
14 United Kingdom 1 0.5%
15 Senegal 1 0.5%
16 Spain 1 0.5%