liaisons inter boucles 81.2 81 81 81.2 81.1 81.1 80.4 80.3 80 80.3 80.6 80.6 80.9 80.7 80.5 80.8 81.1 81.5 81.9 82 82.6 83 84 83.4 84 84.2 83.4 83.4 83.6 83.5 83.2 83 83 83 83 83 83 84.2 85.2 85.9 86.1 86 87.5 89.7 91.9 96 96.1