Year days 2003 23 2004 15 2005 15 2006 15 2007 15 2008 12 2009 12.5 2010 12.5 2011 12.5 2012 12.5 2013 12.5 2014 11.5 2015 11 2016 11 2017 11 2018 11 2019 11