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 24 34.3%
2 Netherlands 18 25.7%
3 China 12 17.1%
4 Germany 7 10%
5 Hong Kong 3 4.3%
6 France 3 4.3%
7 Russia 1 1.4%
8 Taiwan 1 1.4%
9 United Kingdom 1 1.4%