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 United States 44 45.4%
2 China 28 28.9%
3 Germany 6 6.2%
4 Hong Kong 4 4.1%
5 Singapore 4 4.1%
6 Israel 2 2.1%
7 Philippines 2 2.1%
8 United Kingdom 2 2.1%
9 Japan 1 1%
10 Netherlands 1 1%
11 Taiwan 1 1%
12 Australia 1 1%
13 Canada 1 1%