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 9 39.1%
2 China 5 21.7%
3 Canada 2 8.7%
4 United Kingdom 2 8.7%
5 Australia 1 4.3%
6 Viet Nam 1 4.3%
7 Hong Kong 1 4.3%
8 Korea, Republic of 1 4.3%
9 Spain 1 4.3%