Hours Wkd Injuries 40.5 12 38.3 13 37.8 19 38.2 18 38.6 22 41.2 22 39 17 41 13 40.6 15 44.1 10 39.7 18 41.2 19 41.1 13 38.2 24 42.3 12 39.2 12 36.1 13 36.2 15 38.7 18 36 11 37.3 24 36.5 16 37.9 13 38 23 36.7 14 40.1 10 35.5 5 38.2 14 42.3 13 39 18 39.6 15 39.1 23 39.6 15 39.1 23