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 17 24.3%
2 China 13 18.6%
3 Netherlands 12 17.1%
4 United Kingdom 9 12.9%
5 Germany 7 10%
6 Taiwan 5 7.1%
7 Hong Kong 3 4.3%
8 France 2 2.9%
9 Russia 1 1.4%
10 Estonia 1 1.4%