9-12 MONTHS 3 12-18 MONTHS 4 18-24 MONTHS 4 2 YEARS 5 3 YEARS 3 4 YEARS 5 5 YEARS 7 6 YEARS 8 7 YEARS 6 8 YEARS 10 9 YEARS 2 10 YEARS 11 11 YEARS 3 12 YEARS 13 14 YEARS 11 16 YEARS 5