Year	days
2003	57.36224489795919
2004	54.24528301886792
2005	57.916
2006	54.42125984251968
2007	50.161417322834644
2008	46.976377952755904
2009	44.35546875
2010	42.3125
2011	37.248062015503876
2012	36.56060606060606
2013	30.56808510638298
2014	27.646099290780146
2015	27.46267605633803
2016	26.9443661971831
2017	25.201408450704225
2018	23.792957746478873
2019	22.91901408450704