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 28 37.3%
2 Canada 17 22.7%
3 China 13 17.3%
4 Sweden 7 9.3%
5 Australia 3 4%
6 Hong Kong 3 4%
7 Taiwan 2 2.7%
8 Netherlands 1 1.3%
9 Germany 1 1.3%