Year	days
2003	39.5
2004	31.5
2005	31.5
2006	31.5
2007	28.1
2008	28.1
2009	28.5
2010	27.3
2011	24.1
2012	19.3
2013	18.8625
2014	17.25
2015	16.5
2016	16.1875
2017	16.1
2018	14.0625
2019	14.5625
