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 15 22.4%
2 China 14 20.9%
3 Netherlands 13 19.4%
4 Canada 11 16.4%
5 Germany 4 6%
6 Russia 3 4.5%
7 Singapore 2 3%
8 United Kingdom 2 3%
9 Hong Kong 1 1.5%
10 Israel 1 1.5%
11 Mauritius 1 1.5%