Year	days
2004	50.5
2005	50.5
2006	50.5
2007	50.5
2008	50.5
2009	17.5
2010	17.5
2011	17.5
2012	17.5
2013	17.5
2014	17.5
2015	17.5
2016	17.5
2017	17.5
2018	17.5
2019	17.5