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 11 23.4%
2 United States 10 21.3%
3 Canada 8 17%
4 Sweden 5 10.6%
5 Germany 4 8.5%
6 Hong Kong 4 8.5%
7 United Kingdom 2 4.3%
8 Singapore 1 2.1%
9 Taiwan 1 2.1%
10 Belgium 1 2.1%