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 21 27.3%
2 China 18 23.4%
3 United States 12 15.6%
4 United Kingdom 8 10.4%
5 Germany 7 9.1%
6 Taiwan 4 5.2%
7 Hong Kong 3 3.9%
8 France 2 2.6%
9 Russia 2 2.6%