Year	Hours Per Week
2000	40.6268
2001	41.21
2002	41.2441
2003	39.9629
2004	40.7091
2005	40.6981
2006	41.1527
2007	41.2068
2008	41.1346
2009	40.4174
2010	40.546
2011	40.2768
2012	40.1711
2013	40.024
2014	40.0833
2015	40.1893
2016	40.25
2017	40.0154