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 48 35.8%
2 United States 34 25.4%
3 Netherlands 21 15.7%
4 Sweden 7 5.2%
5 Singapore 6 4.5%
6 Canada 5 3.7%
7 Hong Kong 5 3.7%
8 Czech Republic 3 2.2%
9 Germany 3 2.2%
10 Taiwan 2 1.5%