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 58.3%
2 United States 53 15.9%
3 Germany 46 13.8%
4 Hong Kong 16 4.8%
5 Canada 10 3%
6 Finland 2 0.6%
7 Ireland 2 0.6%
8 Japan 2 0.6%
9 Turkey 2 0.6%
10 Serbia 2 0.6%
11 Taiwan 1 0.3%
12 Norway 1 0.3%
13 Romania 1 0.3%
14 Australia 1 0.3%