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 177 43.3%
2 United States 137 33.5%
3 Germany 30 7.3%
4 Hong Kong 21 5.1%
5 Canada 18 4.4%
6 Singapore 11 2.7%
7 United Kingdom 3 0.7%
8 Malaysia 3 0.7%
9 2 0.5%
10 Australia 2 0.5%
11 Japan 2 0.5%
12 Netherlands 1 0.2%
13 Switzerland 1 0.2%
14 Taiwan 1 0.2%