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 55 53.9%
2 United States 26 25.5%
3 Germany 6 5.9%
4 Hong Kong 5 4.9%
5 Singapore 3 2.9%
6 Taiwan 2 2%
7 United Kingdom 1 1%
8 Canada 1 1%
9 Netherlands 1 1%
10 Portugal 1 1%
11 Russia 1 1%