AGE (month)	Number of samples	−3SD		−2SD		−1SD		Median		1SD		2SD		3SD
AGE (month)	Number of samples	Fitted value	Difference	Fitted value	Difference	Fitted value	Difference	Fitted value	Difference	Fitted value	Difference	Fitted value	Difference	Fitted value	Difference
0	16,778	43.13	2.07	45.68	1.22	47.54	1.06	49.13	1.27	50.73	1.47	52.63	1.37	55.25	0.55
3	29,174	53.56	1.74	56.62	0.88	58.87	0.83	60.78	1.22	62.71	1.59	65	1.6	68.17	0.83
6	24,825	59.39	2.01	62.71	0.99	65.14	0.86	67.21	1.19	69.3	1.5	71.77	1.53	75.2	0.6
9	16,929	63.16	2.04	66.65	0.95	69.2	0.9	71.38	1.22	73.58	1.62	76.18	1.62	79.78	0.72
12	14,313	66.39	2.21	70.08	1.12	72.78	1.02	75.08	1.42	77.4	1.9	80.15	1.95	83.95	1.05
15	9521	69.28	1.92	73.19	0.81	76.06	0.84	78.51	1.29	80.97	1.83	83.89	1.91	87.93	0.97
18	7609	71.8	1.8	75.97	0.63	79.02	0.58	81.63	1.07	84.25	1.55	87.36	1.74	91.67	0.73
21	5258	74.11	1.89	78.56	0.54	81.81	0.49	84.6	1	87.39	1.61	90.71	1.69	95.31	0.59
24	5143	76.17	2.13	80.9	0.7	84.36	0.74	87.32	1.18	90.3	1.8	93.83	1.97	98.72	0.78
27	3163	77.94	2.56	82.94	0.96	86.6	0.9	89.74	1.36	92.89	1.91	96.62	1.98	101.81	0.69
30	2941	79.67	2.73	84.94	0.96	88.81	0.79	92.11	1.19	95.44	1.66	99.38	1.62	104.85	0.15
33	2012	81.26	3.14	86.8	1.2	90.86	0.74	94.33	1.07	97.82	1.48	101.96	1.24	107.71	−0.51
36	3438	82.35	3.95	88.1	1.9	92.33	1.37	95.94	1.56	99.57	1.83	103.88	1.42	109.87	−0.47
42	2208	84.46	4.84	90.63	2.37	95.15	1.55	99.02	1.58	102.92	1.58	107.55	1.05	113.97	−1.27
48	1785	87.3	5.2	93.89	2.41	98.73	1.47	102.87	1.23	107.04	1.16	111.99	0.31	118.87	−2.37
54	1081	89.43	6.17	96.34	3.16	101.42	2.18	105.77	1.93	110.14	1.76	115.34	0.86	122.56	−1.96
60	837	91.98	6.72	99.21	3.59	104.51	2.49	109.05	2.25	113.63	2.07	119.05	1.05	126.6	−1.9
66	509	94.43	7.17	101.91	3.99	107.39	2.81	112.09	2.61	116.82	2.38	122.43	1.37	130.24	−1.64
72	269	97.21	6.89	104.91	3.69	110.56	2.54	115.4	2.3	120.27	2.13	126.06	1.14	134.1	−2
78	118	99.35	7.15	107.19	3.91	112.94	2.86	117.86	2.84	122.82	2.78	128.71	1.79	136.89	−1.29
84	-	102.21		110.21	-	116.09	-	121.12	-	126.18	-	132.2	-	140.55	-