-1 6 8 10 12 14 16 20 52 5.5 6.6 7.3 7.6 7.8 7.9 8.0 60 5.8 7.0 7.6 7.8 8.0 8.1 8.2 75 6.2 7.3 7.8 8.1 8.3 8.4 8.6 90 6.2 7.4 7.9 8.2 8.4 8.6 8.9 110 6.2 7.4 7.9 8.3 8.5 8.7 9.0 120 5.9 7.2 7.8 8.2 8.6 8.8 9.3 135 5.2 6.4 7.4 7.9 8.3 8.7 9.3 150 4.3 5.4 6.5 7.3 7.8 8.2 8.9 180 0.0 0.0 0.0 0.0 0.0 0.0 0.0