trace préval 101.7 98.1 93.1 108.6 132.3 131.7 137.1 131.6 130.2 128.3 125.3 118.8 117.7 108.1 104.1 100.5 95.8 94 94.6 100 104.1 105.8 113 112.2 111.4 117.1 139.8 149.8 154.6 152 153.2 157.4 161.7 165 166.7 166.3 166 166.6 166.4 169.1 167.1 148.2 151.7 143.1 123.6 100 94.6 101.5 99.1 98.7