Year	days
2003	72
2004	72
2005	35
2006	35
2007	6.5
2008	6.5
2009	6.5
2010	6.5
2011	6.5
2012	6.5
2013	6.5
2014	4.5
2015	3.5
2016	3.5
2017	3.5
2018	3.5
2019	3.5