Year	days
2004	122.91176470588235
2005	122.32352941176471
2006	85.44444444444444
2007	67.41666666666667
2008	65.42105263157895
2009	55.36842105263158
2010	37.5
2011	32.775
2012	30.9
2013	29.55
2014	29.825
2015	28.125
2016	27.375
2017	27.375
2018	26.725
2019	25.7