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 19 26.4%
2 China 18 25%
3 Germany 10 13.9%
4 Netherlands 10 13.9%
5 United Kingdom 6 8.3%
6 France 3 4.2%
7 Hong Kong 3 4.2%
8 Japan 1 1.4%
9 Estonia 1 1.4%
10 Russia 1 1.4%