Year days 2003 769.7142857142857 2004 751.5714285714286 2005 783 2006 768.05 2007 768.05 2008 772.55 2009 767.55 2010 767.55 2011 762 2012 788.9 2013 779.825 2014 779.825 2015 779.825 2016 776.3113636363636 2017 772.2204545454545 2018 774.9477272727272 2019 774.9477272727272