Year days 2004 46.5 2005 46.5 2006 46.5 2007 7.5 2008 6.5 2009 6.5 2010 6.5 2011 6.5 2012 6.5 2013 6.5 2014 6.5 2015 6.5 2016 6.5 2017 5.5 2018 5 2019 4.5