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 114 59.7%
2 United States 22 11.5%
3 Japan 17 8.9%
4 Germany 16 8.4%
5 Hong Kong 8 4.2%
6 United Kingdom 8 4.2%
7 Netherlands 2 1%
8 Portugal 1 0.5%
9 Taiwan 1 0.5%
10 Italy 1 0.5%
11 Canada 1 0.5%