BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 22 31%
2 United States 15 21.1%
3 Netherlands 14 19.7%
4 Sweden 8 11.3%
5 Germany 4 5.6%
6 Canada 3 4.2%
7 Hong Kong 2 2.8%
8 Taiwan 2 2.8%
9 United Kingdom 1 1.4%