y x 4.4 0.19 6.6 0.15 9.7 0.57 10.6 0.7 10.8 0.67 10.9 0.63 11.8 0.47 12.1 0.7 14.3 0.6 14.7 0.78 15 0.81 17.3 0.78 19.2 0.69 23.1 1.3 27.4 1.05 27.7 1.06 31.8 1.74 39.5 1.62