0-3 MONTHS 3 3-6 MONTHS 2 6-9 MONTHS 2 9-12 MONTHS 4 12-18 MONTHS 3 18-24 MONTHS 2 2 YEARS 7 3 YEARS 6 4 YEARS 5 5 YEARS 9 6 YEARS 8 7 YEARS 8 8 YEARS 8 9 YEARS 8 10 YEARS 8 11 YEARS 8 12 YEARS 8 13 YEARS 7 14 YEARS 5 15 YEARS 2 16 YEARS 3