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 219 50.3%
2 United States 126 29%
3 Germany 41 9.4%
4 Hong Kong 20 4.6%
5 Canada 13 3%
6 Singapore 5 1.1%
7 Taiwan 3 0.7%
8 Japan 2 0.5%
9 Macao 2 0.5%
10 Netherlands 1 0.2%
11 Russia 1 0.2%
12 Ireland 1 0.2%
13 France 1 0.2%