12-18 MONTHS 2 18-24 MONTHS 2 2 YEARS 3 3 YEARS 9 4 YEARS 10 5 YEARS 8 6 YEARS 8 7 YEARS 4 8 YEARS 4 9 YEARS 3 10 YEARS 4 11 YEARS 4 12 YEARS 4 13 YEARS 3 14 YEARS 1 15 YEARS 1 16 YEARS 2