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 United States 44 44.9%
2 China 26 26.5%
3 Hong Kong 7 7.1%
4 Korea, Republic of 6 6.1%
5 Canada 3 3.1%
6 Sweden 3 3.1%
7 Taiwan 2 2%
8 Netherlands 2 2%
9 Poland 2 2%
10 Singapore 1 1%
11 Germany 1 1%
12 New Zealand 1 1%