Poor23.146.6<30 minutes to 1 hour>13.6<1 to 2 hours>11.2<2 to 3 hours>2.82.50.110038.579.9 Non-poor39.343.4<30 minutes to 1 hour>8.3<1 to 2 hours>6.3<2 to 3 hours>1.51.10.110023.482.4