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