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 China 67 39.9%
2 United States 40 23.8%
3 Germany 18 10.7%
4 Hong Kong 12 7.1%
5 Taiwan 11 6.5%
6 Singapore 8 4.8%
7 United Kingdom 4 2.4%
8 Japan 3 1.8%
9 Canada 2 1.2%
10 Austria 1 0.6%
11 Netherlands 1 0.6%
12 Portugal 1 0.6%