Year	days
2004	38.5
2005	38.5
2006	38.5
2007	38.5
2008	38.5
2009	36.5
2010	36.5
2011	36.5
2012	36.5
2013	36.5
2014	36.5
2015	36.5
2016	36.5
2017	36.5
2018	34.5
2019	34.5