Year	days
2003	8
2004	8
2005	6
2006	6
2007	5
2008	3.5
2009	2.5
2010	2.5
2011	2.5
2012	2.5
2013	2.5
2014	2.5
2015	2.5
2016	2.5
2017	2.5
2018	1.5
2019	1.5