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 93 39.6%
2 China 58 24.7%
3 Netherlands 22 9.4%
4 Sweden 22 9.4%
5 Korea, Republic of 16 6.8%
6 Germany 14 6%
7 Canada 3 1.3%
8 Russia 3 1.3%
9 Singapore 2 0.9%
10 Serbia 1 0.4%
11 Finland 1 0.4%