Year	days
2003	57.316326530612244
2004	54.18396226415094
2005	57.86
2006	54.36614173228347
2007	50.10629921259842
2008	46.91732283464567
2009	44.296875
2010	42.25390625
2011	37.189922480620154
2012	36.503787878787875
2013	30.516595744680853
2014	27.592836879432625
2015	27.40915492957747
2016	26.891338028169017
2017	25.152147887323945
2018	23.74718309859155
2019	22.873415492957744