Interval	L	M	S	-3 SD	-2 SD	-1 SD	Median	1 SD	2 SD	3 SD
0-6 mo	0.9027	17.6547	0.09452	12.7	14.3	16	17.7	19.3	21	22.7
1-7 mo	0.9027	14.711	0.10935	10	11.5	13.1	14.7	16.3	18	19.6
2-8 mo	0.9027	12.3097	0.12383	7.8	9.3	10.8	12.3	13.8	15.4	17
3-9 mo	0.9027	10.5768	0.1357	6.4	7.7	9.2	10.6	12	13.5	15
4-10 mo	0.9027	9.4	0.14407	5.4	6.7	8.1	9.4	10.8	12.1	13.5
5-11 mo	0.9027	8.6282	0.14919	4.9	6.1	7.4	8.6	9.9	11.2	12.6
6-12 mo	0.9027	8.1114	0.15162	4.5	5.7	6.9	8.1	9.3	10.6	11.9
7-13 mo	0.9027	7.7366	0.15255	4.3	5.4	6.6	7.7	8.9	10.1	11.3
8-14 mo	0.9027	7.4335	0.15299	4.1	5.2	6.3	7.4	8.6	9.7	10.9
9-15 mo	0.9027	7.1621	0.15364	3.9	5	6.1	7.2	8.3	9.4	10.5
10-16 mo	0.9027	6.9165	0.15479	3.8	4.8	5.9	6.9	8	9.1	10.2
11-17 mo	0.9027	6.6927	0.15649	3.6	4.6	5.7	6.7	7.7	8.8	9.9
12-18 mo	0.9027	6.483	0.15863	3.5	4.5	5.5	6.5	7.5	8.6	9.6
13-19 mo	0.9027	6.2862	0.16108	3.3	4.3	5.3	6.3	7.3	8.3	9.4
14-20 mo	0.9027	6.1061	0.16362	3.2	4.1	5.1	6.1	7.1	8.1	9.2
15-21 mo	0.9027	5.9431	0.1661	3.1	4	5	5.9	6.9	7.9	9
16-22 mo	0.9027	5.7899	0.16861	2.9	3.9	4.8	5.8	6.8	7.8	8.8
17-23 mo	0.9027	5.6425	0.17124	2.8	3.7	4.7	5.6	6.6	7.6	8.6
18-24 mo	0.9027	5.5018	0.17392	2.7	3.6	4.6	5.5	6.5	7.4	8.4