(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)	(11)	(12)
collected data	9	23	13	16	14	5	6	16	11	30	15	13
- mandatory	3	14	3	9	4	4	3	2	8	4	8	9
- optional	6	9	10	7	10	1	3	14	3	26	7	4
exposed data	9	11	11	11	11	5	4	15	5	18	8	10
- profile data	0	2	0	1	3	0	0	0	0	5	0	0
- ride offer	9	4	6	5	3	5	4	7	0	11	8	10
- both pages	0	5	5	5	5	0	0	8	5	2	0	0