Year	Hours Per Week
2000	41.7789
2001	41.2251
2002	41.531
2003	41.4021
2004	41.5908
2005	41.1967
2006	41.2139
2007	41.2078
2008	40.999
2009	40.5682
2010	40.5148
2011	40.3162
2012	40.3193
2013	40.2278
2014	40.4026
2015	40.4375
2016	40.5479
2017	40.1431