2 3 4 14-16 17/19 17-19 20/22 20-22 23/25 23-25 23-26 26/28 26-28 27-30 29/31 29-31 31-34 32/34 35-37 35-38 35/38 36-38 37/38 37-38 38-40 39-41 39/41 39 - 42 39/42 42/44 42-44 43/46 43 - 46 44-47 45-47 47-49 i lg md T1 T2 T3 T4 3-5 9-11 27/30 6-8 30-34 42-46 24-26 27-29 30-32 34-36 37-39 33-35 40-42 41-43 43-45 46-48 37/39 40/42 43/45 46/48 39-42 43-46 45/47 EU 4/6 36-40 41-46 6/8 EU 9/11 EU 3/5 EU 31/34 40/43 14/16 41/46 36/40 38-41 42-45 2/3 32/35 36/38 EU 9-12 28/31 23/26 EU 24/27 47/49 25-29 20-24 38/40 EU 36/39 EU 43/46.5 7/9 years