Table 1.

Data samples by age range.

Age range (years)	No disability	Physical disability	Brain lesions	Visual impairment	Hearing impairment	Other disabilities	Total
Up to 1	1482	40	182	31	47	504	2286
Up to 2	1371	40	182	31	46	504	2174
Up to 3	1263	40	173	30	44	502	2052
Up to 4	1149	40	162	29	41	499	1920
Up to 5	1036	40	147	27	40	489	1779
Up to 6	935	38	137	23	35	473	1641
Up to 7	824	37	122	19	32	446	1480
Up to 8	714	27	102	17	27	400	1287
Up to 9	601	22	84	16	21	324	1068
Up to 10	478	21	70	14	18	265	866
Up to 11	363	18	59	11	15	199	665
Up to 12	242	14	39	6	9	134	444
Up to 13	123	6	17	2	3	71	222