18 2.3 1.3 0.9 1.1 17 5 2.1 3.7 2.6 4.7 9.8 10.9 6.5 10.9 15 8.9 4.1 5.9 6.9 20 1.6 4.4 2 4 17 3.9 2.1 2 5.3 6.7 4.6 11.4 3.5 9.6 14 5 7.4 3.1 6.5 18 2.3 1.3 0.9 1.1