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 194 54.6%
2 United States 63 17.7%
3 Germany 37 10.4%
4 Canada 30 8.5%
5 Australia 7 2%
6 Czech Republic 4 1.1%
7 Singapore 4 1.1%
8 United Kingdom 4 1.1%
9 Taiwan 3 0.8%
10 Philippines 3 0.8%
11 Russia 2 0.6%
12 Luxembourg 2 0.6%
13 Hong Kong 1 0.3%
14 Japan 1 0.3%