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 37 52.1%
2 China 11 15.5%
3 Canada 9 12.7%
4 Germany 5 7%
5 Malaysia 2 2.8%
6 Netherlands 2 2.8%
7 Singapore 2 2.8%
8 United Kingdom 2 2.8%
9 Hong Kong 1 1.4%