"user_id","course_id","enrolled_at" 2,1,2023-01-20 00:00:00.000 +0300 3,2,2023-03-05 00:00:00.000 +0300 6,1,2023-01-06 00:00:00.000 +0300 6,2,2023-01-10 00:00:00.000 +0300 6,4,2023-02-05 00:00:00.000 +0300 7,1,2023-01-13 00:00:00.000 +0300 7,3,2023-03-10 00:00:00.000 +0300 8,3,2023-01-22 00:00:00.000 +0300 13,2,2023-01-19 00:00:00.000 +0300 13,4,2023-02-20 00:00:00.000 +0300 16,2,2023-02-16 00:00:00.000 +0300 16,4,2023-02-16 00:00:00.000 +0300 19,1,2023-04-11 00:00:00.000 +0300 19,2,2023-04-11 00:00:00.000 +0300 2,3,2023-03-15 00:00:00.000 +0300 4,2,2023-03-10 00:00:00.000 +0300 7,2,2023-02-01 00:00:00.000 +0300 9,1,2023-02-15 00:00:00.000 +0300 18,4,2023-04-05 00:00:00.000 +0300 4,3,2023-04-01 00:00:00.000 +0300 8,1,2023-01-22 00:00:00.000 +0300 8,2,2023-01-22 00:00:00.000 +0300 9,4,2023-02-12 00:00:00.000 +0300 10,1,2023-04-16 00:00:00.000 +0300 18,1,2023-04-02 00:00:00.000 +0300 3,1,2023-02-25 00:00:00.000 +0300 6,3,2023-03-08 00:00:00.000 +0300 1,2,2023-02-01 00:00:00.000 +0300 11,2,2023-04-21 00:00:00.000 +0300 14,2,2023-01-09 00:00:00.000 +0300 14,3,2023-01-09 00:00:00.000 +0300 14,5,2023-03-20 00:00:00.000 +0300 17,3,2023-03-22 00:00:00.000 +0300 20,2,2023-04-19 00:00:00.000 +0300 12,3,2023-03-10 00:00:00.000 +0300 1,1,2023-01-15 00:00:00.000 +0300 12,1,2023-01-16 00:00:00.000 +0300 14,1,2023-01-09 00:00:00.000 +0300 14,4,2023-02-01 00:00:00.000 +0300 15,1,2023-01-11 00:00:00.000 +0300 15,3,2023-03-05 00:00:00.000 +0300 17,5,2023-03-25 00:00:00.000 +0300 5,5,2023-03-20 00:00:00.000 +0300 1,4,2023-02-10 00:00:00.000 +0300 15,2,2023-02-01 00:00:00.000 +0300