BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 United States 66 37.9%
2 China 59 33.9%
3 Germany 24 13.8%
4 Netherlands 6 3.4%
5 Philippines 5 2.9%
6 Hong Kong 4 2.3%
7 Poland 2 1.1%
8 Russia 2 1.1%
9 Sweden 2 1.1%
10 United Kingdom 2 1.1%
11 Kazakhstan 1 0.6%
12 Canada 1 0.6%