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 20 36.4%
2 United States 9 16.4%
3 Canada 5 9.1%
4 Hong Kong 4 7.3%
5 Netherlands 3 5.5%
6 Germany 3 5.5%
7 Taiwan 3 5.5%
8 Malaysia 2 3.6%
9 Singapore 2 3.6%
10 Korea, Republic of 1 1.8%
11 Macao 1 1.8%
12 Australia 1 1.8%
13 United Kingdom 1 1.8%