BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 190 72.5%
2 United States 48 18.3%
3 Germany 9 3.4%
4 Canada 6 2.3%
5 Hong Kong 3 1.1%
6 Switzerland 2 0.8%
7 Taiwan 1 0.4%
8 United Kingdom 1 0.4%
9 Russia 1 0.4%
10 Senegal 1 0.4%