Year	days
2004	11
2005	11
2006	11
2007	11
2008	11
2009	11
2010	10.5
2011	10.5
2012	10.5
2013	10.5
2014	10.5
2015	10.5
2016	10.5
2017	10.5
2018	10.5
2019	10.5