BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 187 43.9%
2 United States 168 39.4%
3 Germany 47 11%
4 Mexico 5 1.2%
5 Ecuador 3 0.7%
6 Brazil 3 0.7%
7 Ukraine 3 0.7%
8 Hong Kong 2 0.5%
9 Netherlands 2 0.5%
10 Russia 2 0.5%
11 Slovakia 1 0.2%
12 Canada 1 0.2%
13 Finland 1 0.2%
14 United Kingdom 1 0.2%