BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 30 36.1%
2 Australia 17 20.5%
3 China 16 19.3%
4 Hong Kong 8 9.6%
5 Canada 5 6%
6 Taiwan 3 3.6%
7 Korea, Republic of 2 2.4%
8 Moldova, Republic of 1 1.2%
9 United Kingdom 1 1.2%