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 43 35.5%
2 China 28 23.1%
3 Germany 18 14.9%
4 Hong Kong 5 4.1%
5 Canada 5 4.1%
6 Taiwan 4 3.3%
7 Japan 3 2.5%
8 Malaysia 3 2.5%
9 Netherlands 3 2.5%
10 2 1.7%
11 Russia 2 1.7%
12 Sweden 1 0.8%
13 Switzerland 1 0.8%
14 United Arab Emirates 1 0.8%
15 France 1 0.8%
16 Portugal 1 0.8%