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 34 34.7%
2 United States 23 23.5%
3 Netherlands 18 18.4%
4 Germany 7 7.1%
5 Canada 6 6.1%
6 Hong Kong 3 3.1%
7 Finland 2 2%
8 Turkey 2 2%
9 United Kingdom 1 1%
10 Russia 1 1%
11 France 1 1%