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 26 29.2%
2 Germany 23 25.8%
3 China 12 13.5%
4 Singapore 6 6.7%
5 Netherlands 5 5.6%
6 United Kingdom 5 5.6%
7 Canada 3 3.4%
8 Russia 3 3.4%
9 France 2 2.2%
10 Hong Kong 2 2.2%
11 Japan 1 1.1%
12 Turkey 1 1.1%