Year	Hours Per Week
2002	43.2654
2003	43.2848
2004	42.8651
2005	44.5285
2006	45.8033
2007	45.0553
2008	44.7897
2009	43.5891
2010	44.3323
2011	45.9577
2012	42.0387
2013	44.0026
2014	43.3057
2015	42.6936
2016	42.242
2017	42.3095