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 66 41%
2 United States 59 36.6%
3 Canada 6 3.7%
4 Japan 6 3.7%
5 Hong Kong 5 3.1%
6 United Kingdom 4 2.5%
7 Taiwan 2 1.2%
8 Germany 2 1.2%
9 Singapore 2 1.2%
10 Korea, Republic of 2 1.2%
11 Belize 2 1.2%
12 France 1 0.6%
13 Netherlands 1 0.6%
14 Philippines 1 0.6%
15 Sweden 1 0.6%
16 Switzerland 1 0.6%