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 198 51.3%
2 United States 109 28.2%
3 Germany 41 10.6%
4 Canada 19 4.9%
5 France 4 1%
6 Australia 3 0.8%
7 Austria 2 0.5%
8 Hong Kong 2 0.5%
9 Japan 2 0.5%
10 United Kingdom 2 0.5%
11 Latvia 1 0.3%
12 Philippines 1 0.3%
13 Slovakia 1 0.3%
14 1 0.3%