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 28%
2 China 17 22.7%
3 United States 11 14.7%
4 Germany 10 13.3%
5 United Kingdom 7 9.3%
6 Taiwan 4 5.3%
7 Hong Kong 3 4%
8 France 1 1.3%
9 Russia 1 1.3%