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	5.85
2014	5.55
2015	3.55
2016	3.55
2017	3.55
2018	3.55
2019	2.85