Interval	L	M	S	-3 SD	-2 SD	-1 SD	Median	1 SD	2 SD	3 SD
0-2 mo	0.9267	4.6878	0.16093	2.5	3.2	3.9	4.7	5.4	6.2	7
1-3 mo	0.621	3.3714	0.15634	1.9	2.4	2.9	3.4	3.9	4.5	5.1
2-4 mo	0.5607	2.517	0.16382	1.4	1.8	2.1	2.5	2.9	3.4	3.9
3-5 mo	0.6219	2.0747	0.18097	1.1	1.4	1.7	2.1	2.5	2.9	3.3
4-6 mo	0.7141	1.7184	0.207	0.8	1.1	1.4	1.7	2.1	2.5	2.9
5-7 mo	0.7879	1.4381	0.23798	0.5	0.8	1.1	1.4	1.8	2.2	2.5
6-8 mo	0.8482	1.2009	0.27392	0.3	0.6	0.9	1.2	1.5	1.9	2.2
7-9 mo	0.8985	1.0106	0.31173	0.1	0.4	0.7	1	1.3	1.7	2
8-10 mo	0.9379	0.8731	0.35212	0	0.3	0.6	0.9	1.2	1.5	1.8
9-11 mo	0.9577	0.7615	0.39591	0	0.2	0.5	0.8	1.1	1.4	1.7
10-12 mo	0.9598	0.6659	0.44007	0	0.1	0.4	0.7	1	1.3	1.6