BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 66 47.1%
2 United States 55 39.3%
3 Canada 6 4.3%
4 Singapore 3 2.1%
5 Taiwan 2 1.4%
6 Austria 2 1.4%
7 Germany 2 1.4%
8 Italy 2 1.4%
9 Netherlands 2 1.4%