1.2 1 1 2 1.5 1 2 3 1.0 1 3 1 1.7 1 4 4 1.4 2 1 1 1.9 2 2 4 1.5 2 4 3 2.8 3 1 3 2.1 3 2 2 2.7 3 3 4 2.0 3 4 1 3.4 4 1 4 2.5 4 2 1 2.9 4 3 3 2.7 4 4 2