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 182 47.8%
2 United States 113 29.7%
3 Germany 36 9.4%
4 Hong Kong 13 3.4%
5 Canada 9 2.4%
6 Singapore 7 1.8%
7 Netherlands 5 1.3%
8 Malaysia 4 1%
9 Taiwan 2 0.5%
10 Ukraine 2 0.5%
11 Australia 2 0.5%
12 Austria 2 0.5%
13 Georgia 1 0.3%
14 Ireland 1 0.3%
15 Italy 1 0.3%
16 Japan 1 0.3%