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 United States 50 48.5%
2 China 30 29.1%
3 Germany 4 3.9%
4 Hong Kong 3 2.9%
5 Canada 3 2.9%
6 Senegal 2 1.9%
7 France 2 1.9%
8 Korea, Republic of 2 1.9%
9 Macao 2 1.9%
10 Malaysia 1 1%
11 Panama 1 1%
12 Romania 1 1%
13 Japan 1 1%
14 United Kingdom 1 1%