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 39 32.5%
2 China 36 30%
3 Netherlands 21 17.5%
4 Germany 7 5.8%
5 Hong Kong 7 5.8%
6 Australia 2 1.7%
7 Taiwan 2 1.7%
8 United Kingdom 1 0.8%
9 Bangladesh 1 0.8%
10 Canada 1 0.8%
11 Portugal 1 0.8%
12 Russia 1 0.8%
13 Japan 1 0.8%