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 168 58.9%
2 United States 54 18.9%
3 Germany 34 11.9%
4 Australia 7 2.5%
5 Hong Kong 6 2.1%
6 Netherlands 3 1.1%
7 New Zealand 3 1.1%
8 Austria 2 0.7%
9 Canada 2 0.7%
10 Finland 2 0.7%
11 Taiwan 2 0.7%
12 Singapore 1 0.4%
13 Japan 1 0.4%