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 159 40.3%
2 China 82 20.8%
3 Germany 51 12.9%
4 Netherlands 45 11.4%
5 France 18 4.6%
6 Hong Kong 9 2.3%
7 Portugal 6 1.5%
8 Ukraine 6 1.5%
9 Canada 5 1.3%
10 Iran, Islamic Republic of 4 1%
11 3 0.8%
12 Senegal 3 0.8%
13 United Kingdom 2 0.5%
14 Taiwan 1 0.3%
15 Russia 1 0.3%