Year days 2003 56 2004 34 2005 34 2006 27 2007 4.5 2008 4.5 2009 4.5 2010 4.5 2011 4.5 2012 4.5 2013 4.5 2014 4.5 2015 4.5 2016 4.5 2017 4.5 2018 4.5 2019 5