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 77 48.7%
2 China 34 21.5%
3 Hong Kong 14 8.9%
4 Netherlands 14 8.9%
5 Germany 7 4.4%
6 Portugal 5 3.2%
7 Australia 2 1.3%
8 United Kingdom 2 1.3%
9 Canada 1 0.6%
10 Russia 1 0.6%
11 Taiwan 1 0.6%