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 173 63.1%
2 United States 41 15%
3 Germany 36 13.1%
4 Hong Kong 12 4.4%
5 Taiwan 3 1.1%
6 United Kingdom 2 0.7%
7 Japan 2 0.7%
8 Sweden 2 0.7%
9 Uzbekistan 1 0.4%
10 Russia 1 0.4%
11 France 1 0.4%