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 Netherlands 28 24.6%
2 United States 27 23.7%
3 China 22 19.3%
4 United Kingdom 10 8.8%
5 Germany 9 7.9%
6 Russia 6 5.3%
7 France 4 3.5%
8 Taiwan 3 2.6%
9 Hong Kong 3 2.6%
10 Estonia 1 0.9%
11 Philippines 1 0.9%