table

date	questions	correct	score	time_all	time_correct	time_incorrect
July 20	13	12	0.92	5.6	5.8	4.0
July 20	11	9	0.82	7.2	7.1	7.5
July 20	11	8	0.73	5.1	4.0	8.0
July 18	8	5	0.62	7.6	8.4	6.3
July 15	16	12	0.75	6.5	6.0	8.0
July 14	11	10	0.91	7.4	7.7	4.0
July 13	8	8	1.00	6.0	6.0	nan
July 12	11	10	0.91	5.8	5.8	6.0
July 11	11	9	0.82	5.7	6.0	4.5
July 10	8	4	0.50	7.0	5.2	8.8
July 2	4	4	1.00	10.0	10.0	nan
July 1	7	6	0.86	7.0	7.3	5.0
June 30	9	7	0.78	5.7	6.1	4.0
June 27	4	3	0.75	8.5	8.3	9.0
June 26	8	6	0.75	5.9	5.3	7.5