Year	days
2003	16
2004	16
2005	16
2006	16
2007	16
2008	15.5
2009	15.5
2010	15.5
2011	15.5
2012	15.5
2013	12.5
2014	12.5
2015	5.5
2016	5.5
2017	5.5
2018	5.5
2019	5.5