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 34 33.7%
2 Netherlands 19 18.8%
3 China 16 15.8%
4 Germany 14 13.9%
5 United Kingdom 6 5.9%
6 Taiwan 5 5%
7 Hong Kong 3 3%
8 India 1 1%
9 Estonia 1 1%
10 France 1 1%
11 Russia 1 1%