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 61 53.5%
2 Netherlands 17 14.9%
3 United States 14 12.3%
4 Germany 7 6.1%
5 France 6 5.3%
6 Australia 3 2.6%
7 Canada 2 1.8%
8 Hong Kong 2 1.8%
9 United Kingdom 2 1.8%