17 18 18.5 19 20 20.5 22 22.5 23 23.5 24 24.5 25 25.5 26 27 27.5 28 28.5 29 30 30.5 31 31.5 32 32.5 33 33.5 34 34.5 35 35.5 36 36.5 37 37.5 38 38.5 39 39.5 40 40.5 41 41.5 42 42.5 43 43.5 44 44.5 45 45.5 46 46.5 47 47.5 48.5 49 49.5 50