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 18 40%
2 Germany 8 17.8%
3 United States 6 13.3%
4 United Kingdom 4 8.9%
5 Netherlands 2 4.4%
6 Hong Kong 2 4.4%
7 Viet Nam 2 4.4%
8 Japan 1 2.2%
9 Bangladesh 1 2.2%
10 Canada 1 2.2%