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 164 61.2%
2 United States 56 20.9%
3 Germany 17 6.3%
4 Hong Kong 13 4.9%
5 Canada 4 1.5%
6 Taiwan 4 1.5%
7 Japan 3 1.1%
8 Singapore 2 0.7%
9 United Kingdom 2 0.7%
10 Netherlands 1 0.4%
11 Portugal 1 0.4%
12 Italy 1 0.4%