Year	% of 24 hour day
2003	16.54167
2004	16.625
2005	16.5
2006	16.25
2007	16.08333
2008	15.625
2009	15.91667
2010	15.29167
2011	15.20833
2012	15.29167
2013	15.58333
2014	15.54167
2015	15.875
2016	15.91667
2017	15.41667
2018	15.375
2019	15.33333
2021	15.54167
2022	15.08333