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 78 37.3%
2 United States 50 23.9%
3 Netherlands 26 12.4%
4 Germany 17 8.1%
5 Hong Kong 8 3.8%
6 Taiwan 6 2.9%
7 Portugal 5 2.4%
8 Canada 4 1.9%
9 United Kingdom 3 1.4%
10 Senegal 3 1.4%
11 Norway 2 1%
12 Japan 2 1%
13 Estonia 1 0.5%
14 France 1 0.5%
15 Russia 1 0.5%
16 Sweden 1 0.5%
17 Ukraine 1 0.5%