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 30 46.2%
2 United Kingdom 12 18.5%
3 China 6 9.2%
4 Russia 6 9.2%
5 Canada 2 3.1%
6 India 2 3.1%
7 Czech Republic 2 3.1%
8 Estonia 2 3.1%
9 Finland 1 1.5%
10 Hong Kong 1 1.5%
11 Netherlands 1 1.5%