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 12 24.5%
2 China 10 20.4%
3 Japan 9 18.4%
4 Netherlands 4 8.2%
5 Canada 3 6.1%
6 Hong Kong 3 6.1%
7 Germany 2 4.1%
8 Singapore 2 4.1%
9 United Arab Emirates 2 4.1%
10 United Kingdom 2 4.1%