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 34 47.2%
2 China 17 23.6%
3 Hong Kong 5 6.9%
4 Germany 4 5.6%
5 Australia 3 4.2%
6 Canada 2 2.8%
7 Malaysia 2 2.8%
8 Singapore 2 2.8%
9 United Kingdom 1 1.4%
10 Korea, Republic of 1 1.4%
11 Viet Nam 1 1.4%