Year	days
2004	131.02941176470588
2005	128.67567567567568
2006	117.28947368421052
2007	102.73684210526316
2008	93.55263157894737
2009	89.44736842105263
2010	84.42105263157895
2011	82.57894736842105
2012	81.42105263157895
2013	74.94736842105263
2014	72.5
2015	75.28205128205128
2016	74.64102564102564
2017	73.38461538461539
2018	66.84615384615384
2019	65.1923076923077