Year	days
2003	639.3529411764706
2004	686.3
2005	733.2727272727273
2006	756.6086956521739
2007	756.6086956521739
2008	764.1739130434783
2009	749.4347826086956
2010	748.0869565217391
2011	749.3913043478261
2012	733
2013	733
2014	733
2015	722.68
2016	726.28
2017	721.68
2018	719.68
2019	717.28