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 17 44.7%
2 Viet Nam 4 10.5%
3 Portugal 4 10.5%
4 Canada 3 7.9%
5 China 2 5.3%
6 Hong Kong 2 5.3%
7 Japan 2 5.3%
8 Korea, Republic of 1 2.6%
9 Malaysia 1 2.6%
10 Singapore 1 2.6%
11 United Kingdom 1 2.6%