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 61 35.1%
2 China 38 21.8%
3 Sweden 23 13.2%
4 Germany 19 10.9%
5 Netherlands 16 9.2%
6 Singapore 8 4.6%
7 Korea, Republic of 4 2.3%
8 Canada 3 1.7%
9 Russia 1 0.6%
10 Finland 1 0.6%