"age" 4.8 3.5 9.2 8.3 6.5 2.6 8.3 5.8 2.6 4.2 2 8.8 6.8 4.3 4.7 3.7 7 2.5 6.8 6 8.6 8 5.6 2.4 2.3 9.1 9.6 5.8 5.5 5.4