BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 57 60.6%
2 China 21 22.3%
3 Japan 4 4.3%
4 France 3 3.2%
5 Hong Kong 2 2.1%
6 United Kingdom 2 2.1%
7 Austria 1 1.1%
8 Germany 1 1.1%
9 Panama 1 1.1%
10 Singapore 1 1.1%
11 Taiwan 1 1.1%