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 China 97 60.2%
2 United States 23 14.3%
3 Netherlands 15 9.3%
4 Germany 12 7.5%
5 Canada 4 2.5%
6 France 4 2.5%
7 Philippines 2 1.2%
8 Singapore 2 1.2%
9 Taiwan 1 0.6%
10 United Kingdom 1 0.6%