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 166 47.6%
2 United States 76 21.8%
3 Germany 33 9.5%
4 Canada 27 7.7%
5 Hong Kong 10 2.9%
6 United Kingdom 9 2.6%
7 Taiwan 6 1.7%
8 Russia 6 1.7%
9 Malaysia 6 1.7%
10 Singapore 3 0.9%
11 Netherlands 2 0.6%
12 Australia 2 0.6%
13 Czech Republic 2 0.6%
14 Ireland 1 0.3%