Year	days
2003	35.5
2004	34.5
2005	34.5
2006	34.5
2007	34.5
2008	34.5
2009	34.5
2010	34.5
2011	32.5
2012	29.5
2013	18.5
2014	12.5
2015	12.5
2016	8.5
2017	8.5
2018	8.5
2019	8.5