Year	Hours Per Week
1995	40.5727
1996	40.1601
1997	40.6776
1998	40.4481
1999	40.1609
2000	40.0188
2001	39.9222
2002	39.4108
2003	39.2566
2004	39.9205
2005	39.1045
2006	38.8853
2007	38.4181
2008	38.0808
2009	37.0784
2010	36.9261
2011	37.0333
2012	36.6657
2013	36.4142
2014	35.9055
2015	35.5814
2016	35.59
2017	35.4223