Table 2. Age-groups within the 4-year, 6-year 8-year, and 10-year age-groups.

4-year age-group		6-year age-group		8-year age group		10-year age-group
age-group months	n	age-group months	n	age-group months	n	age-group months	n
51–54	940	75–79	943	95–102	670	121–126	726
55–56	1292	80–81	1101	103–104	921	127–129	1241
57–58	1363	82–83	1116	105–106	1160	130–131	853
59–60	943	84–85	821	107–108	846	132–134	886
61–67	445	86–94	483	109–119	734	135–140	463
Total	4983	Total	4464	Total	4331	Total	4169