4 1.0 2 1 0.75 2 0.98 1.25 1 3 0.9 0.75 1 3 0.5 0.9 0 6 1.0 2 1 0.9 2 0.9 0.95 2 2 0.7 3 0.6 0.95 1 4 0.8 1.0 1 4 0.4 1.25 1 5 1.0 1.1 0 0