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 242 45.2%
2 China 211 39.4%
3 Germany 37 6.9%
4 Hong Kong 18 3.4%
5 Malaysia 4 0.7%
6 Russia 4 0.7%
7 Singapore 4 0.7%
8 United Kingdom 3 0.6%
9 Uganda 2 0.4%
10 Ecuador 2 0.4%
11 Australia 2 0.4%
12 Brazil 2 0.4%
13 Finland 1 0.2%
14 Netherlands 1 0.2%
15 Slovakia 1 0.2%
16 Taiwan 1 0.2%