user_id,timestamp,page_depth,dwell_time,session_id
1,2026-01-15 09:15:00,5,120,101
1,2026-02-01 10:20:00,3,90,102
2,2025-12-20 14:10:00,4,60,201
2,2026-02-10 08:50:00,6,180,202
3,2026-01-05 12:30:00,2,30,301
4,2026-01-25 16:45:00,3,60,401
5,2025-08-01 11:00:00,5,150,501
6,2026-01-30 09:00:00,4,120,601
7,2025-09-15 17:10:00,2,45,701