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 134 58.5%
2 United States 40 17.5%
3 Germany 19 8.3%
4 Hong Kong 7 3.1%
5 Japan 5 2.2%
6 France 5 2.2%
7 Portugal 5 2.2%
8 Senegal 3 1.3%
9 Canada 3 1.3%
10 Netherlands 3 1.3%
11 Ecuador 2 0.9%
12 United Kingdom 2 0.9%
13 Russia 1 0.4%