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 134 61.5%
2 United States 26 11.9%
3 Netherlands 18 8.3%
4 Germany 12 5.5%
5 Hong Kong 8 3.7%
6 France 5 2.3%
7 Canada 4 1.8%
8 Italy 2 0.9%
9 Japan 2 0.9%
10 Russia 2 0.9%
11 Singapore 2 0.9%
12 United Kingdom 2 0.9%
13 Nepal 1 0.5%