Table 1.

Number of observations by age and study

Age	Full Longitudinal Sample		Calibration Sample		Cross-Validation Sample
	MLS	AFDP	MLS	AFDP	MLS	AFDP
2	11	-	2	-	2	-
3	137	-	45	-	24	-
4	111	-	27	-	27	-
5	91	-	30	-	20	-
6	127	-	29	-	29	-
7	122	-	31	-	29	-
8	107	-	25	-	30	-
9	160	-	41	-	42	-
10	150	32	43	9	38	12
11	131	107	36	42	31	27
12	172	191	55	55	55	73
13	154	266	45	96	48	82
14	149	294	48	89	43	103
15	159	247	54	84	33	87
16	146	150	54	64	32	42
17	139	54	50	15	35	19
18	25	4	9	0	8	4
N	2091	1345	626	454	526	449