Year	Hours Per Week
2000	39.8737
2001	39.0717
2002	38.8798
2003	38.75
2004	39.2922
2005	39.6691
2006	39.7055
2007	39.4851
2008	39.3594
2009	38.9216
2010	39.0861
2011	38.9127
2012	38.9186
2013	38.4476
2014	37.9666
2015	37.8935
2016	38.1855
2017	38.3167