Interval	L	M	S	-3 SD	-2 SD	-1 SD	Median	1 SD	2 SD	3 SD
0-4 mo	1.0138	13.977	0.10113	9.7	11.1	12.6	14	15.4	16.8	18.2
1-5 mo	1.0138	11.4886	0.12006	7.3	8.7	10.1	11.5	12.9	14.2	15.6
2-6 mo	1.0138	9.3048	0.13954	5.4	6.7	8	9.3	10.6	11.9	13.2
3-7 mo	1.0138	7.7601	0.15624	4.1	5.3	6.5	7.8	9	10.2	11.4
4-8 mo	1.0138	6.7018	0.16955	3.3	4.4	5.6	6.7	7.8	9	10.1
5-9 mo	1.0138	6.0704	0.1778	2.8	3.9	5	6.1	7.1	8.2	9.3
6-10 mo	1.0138	5.6756	0.18311	2.5	3.6	4.6	5.7	6.7	7.7	8.8
7-11 mo	1.0138	5.3939	0.18754	2.3	3.4	4.4	5.4	6.4	7.4	8.4
8-12 mo	1.0138	5.1699	0.19138	2.2	3.2	4.2	5.2	6.2	7.1	8.1
9-13 mo	1.0138	4.9623	0.19512	2	3	4	5	5.9	6.9	7.9
10-14 mo	1.0138	4.7773	0.1988	1.9	2.9	3.8	4.8	5.7	6.7	7.6
11-15 mo	1.0138	4.6014	0.20286	1.8	2.7	3.7	4.6	5.5	6.5	7.4
12-16 mo	1.0138	4.4487	0.20707	1.7	2.6	3.5	4.4	5.4	6.3	7.2
13-17 mo	1.0138	4.3123	0.21158	1.6	2.5	3.4	4.3	5.2	6.1	7
14-18 mo	1.0138	4.1833	0.21644	1.5	2.4	3.3	4.2	5.1	6	6.9
15-19 mo	1.0138	4.068	0.22124	1.4	2.3	3.2	4.1	5	5.9	6.8
16-20 mo	1.0138	3.9584	0.22619	1.3	2.2	3.1	4	4.9	5.7	6.6
17-21 mo	1.0138	3.86	0.23092	1.2	2.1	3	3.9	4.8	5.6	6.5
18-22 mo	1.0138	3.7663	0.23577	1.1	2	2.9	3.8	4.7	5.5	6.4
19-23 mo	1.0138	3.6815	0.24063	1	1.9	2.8	3.7	4.6	5.4	6.3
20-24 mo	1.0138	3.6058	0.2453	0.9	1.8	2.7	3.6	4.5	5.4	6.2