Year	days
2003	3.5
2004	3.5
2005	3.5
2006	3.5
2007	3.5
2008	5.5
2009	5.5
2010	5.5
2011	5.5
2012	5.5
2013	5.5
2014	5.5
2015	1.5
2016	1.5
2017	1.5
2018	1.5
2019	1.5