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 18 28.1%
2 United States 13 20.3%
3 Canada 7 10.9%
4 Hong Kong 6 9.4%
5 Netherlands 6 9.4%
6 Germany 5 7.8%
7 United Kingdom 4 6.2%
8 Taiwan 2 3.1%
9 France 2 3.1%
10 Australia 1 1.6%