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 206 56.6%
2 United States 55 15.1%
3 Germany 39 10.7%
4 France 22 6%
5 Canada 22 6%
6 Korea, Republic of 5 1.4%
7 Latvia 2 0.5%
8 Lithuania 2 0.5%
9 Australia 2 0.5%
10 Georgia 2 0.5%
11 Hong Kong 2 0.5%
12 Russia 2 0.5%
13 United Arab Emirates 2 0.5%
14 Luxembourg 1 0.3%