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 71 37.2%
2 Hong Kong 36 18.8%
3 United States 30 15.7%
4 Japan 13 6.8%
5 Netherlands 11 5.8%
6 Germany 9 4.7%
7 Taiwan 8 4.2%
8 Canada 5 2.6%
9 United Kingdom 4 2.1%
10 Russia 2 1%
11 Saudi Arabia 1 0.5%
12 France 1 0.5%