17 18.5 19 19.5 20 21 22 23 23.5 24 25 25.5 26 26.5 27 27.5 28 28.5 29 29.5 30 30.5 31 31.5 32 32.5 33 33.5 34 34.5 35 35.5 36 36.5 37.5 38 38.5 39 39.5 40 40.5 41.5 42 42.5 43.5 44 45.5