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 21 36.8%
2 China 11 19.3%
3 Netherlands 7 12.3%
4 Germany 4 7%
5 Australia 3 5.3%
6 United Kingdom 3 5.3%
7 Viet Nam 2 3.5%
8 Canada 2 3.5%
9 Portugal 2 3.5%
10 Japan 1 1.8%
11 Macao 1 1.8%