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