YEAR Q C P 1 0.91 85.4 77.5 2 1.05 88.4 80.2 3 1.18 89.1 79.5 4 1.27 90.5 84.9 5 1.27 93.1 94.9 6 1.37 97.2 92.7 7 1.46 100.3 92.5 8 1.59 100.3 92.7 9 1.86 101.5 97.1 10 1.96 104.8 93.9 11 2.32 107.5 102.7 12 2.86 111.8 100 13 3.5 114.9 119.5 14 3.96 117.9 119.7 15 4.21 122.3 125.2 16 4.54 128.2 134.1 17 4.93 134.1 124.3 18 5.4 145.1 119 19 6.13 174.9 108.5 20 6.29 237.2 107.9