Year	days
2004	30.5
2005	30.5
2006	29.5
2007	30.5
2008	30.5
2009	30.5
2010	30.5
2011	30.5
2012	27.5
2013	27.5
2014	27.5
2015	34.5
2016	34.5
2017	26.5
2018	26.5
2019	26.5