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 64 35%
2 China 57 31.1%
3 Netherlands 25 13.7%
4 Germany 13 7.1%
5 Canada 5 2.7%
6 Hong Kong 3 1.6%
7 Taiwan 3 1.6%
8 United Kingdom 3 1.6%
9 Viet Nam 2 1.1%
10 Malaysia 2 1.1%
11 Australia 2 1.1%
12 Finland 2 1.1%
13 Japan 1 0.5%
14 Macao 1 0.5%