Year	days
2004	55
2005	55
2006	54
2007	54
2008	49.5
2009	44.5
2010	41.5
2011	17.5
2012	17.5
2013	17.5
2014	17.5
2015	16.5
2016	16.5
2017	16.5
2018	16.5
2019	16.5