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 United States 39 35.1%
2 China 34 30.6%
3 Netherlands 16 14.4%
4 Germany 7 6.3%
5 Korea, Republic of 6 5.4%
6 Sweden 4 3.6%
7 Australia 2 1.8%
8 Canada 2 1.8%
9 Hong Kong 1 0.9%