TABLE 7.

The 5th, 10th, 15th, 25th, 50th, 75th, and 90th centiles for Averaged circumference of circled curves (ACCC) measure for different grade groups.

Grade groups	P5	P10	P15	P25	P50	P75	P90
GR1 (Junior Class of kindergarten)	7.70	14.19	15.59	17.20	20.98	24.72	29.65
GR2 (Middle Class of kindergarten)	14.19	15.80	16.83	17.74	19.21	21.61	24.56
GR3 (Senior Class of kindergarten)	13.34	14.64	15.50	16.13	17.49	18.75	19.99
GR4 (Grade 1 of primary school)	13.39	13.86	14.14	14.91	16.19	17.10	17.16
GR5 (Grade 2 of primary school)	13.05	13.62	13.70	14.30	15.67	17.05	17.94
GR6 (Grade 3 of primary school)	12.74	13.45	14.00	14.45	15.36	16.76	18.02
GR7 (Grade 4 of primary school)	12.36	13.07	13.30	13.99	14.64	15.47	16.09
GR8 (Grade 5 of primary school)	13.32	13.78	13.93	14.55	15.49	16.37	17.42
GR9 (Grade 6 of primary school)	12.87	13.36	13.46	13.89	15.15	16.33	17.33