Year days 2003 62.46875 2004 59.97222222222222 2005 64.11627906976744 2006 60.5 2007 55.52272727272727 2008 51.45454545454545 2009 48.79545454545455 2010 46.79545454545455 2011 37.52272727272727 2012 35.544444444444444 2013 31.256521739130434 2014 28.952173913043477 2015 28.751063829787235 2016 28.040851063829788 2017 23.838723404255322 2018 22.966382978723406 2019 21.249574468085108