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 31 41.3%
2 United States 22 29.3%
3 Netherlands 12 16%
4 Canada 3 4%
5 New Zealand 2 2.7%
6 Singapore 2 2.7%
7 United Kingdom 1 1.3%
8 Germany 1 1.3%
9 Italy 1 1.3%