Year	days
2003	47.65625
2004	52.55882352941177
2005	51.970588235294116
2006	51.088235294117645
2007	47.911764705882355
2008	47.6764705882353
2009	45.970588235294116
2010	42.794117647058826
2011	38.5
2012	39.80555555555556
2013	41.684999999999995
2014	36.239999999999995
2015	36.209999999999994
2016	33.335
2017	32.445
2018	30.455000000000002
2019	29.735000000000003