Year	days
2004	89.33333333333333
2005	89.21428571428571
2006	98.72727272727273
2007	98.70454545454545
2008	98.20454545454545
2009	98.1590909090909
2010	79
2011	74.27272727272727
2012	73.3913043478261
2013	66.69576923076923
2014	64.31115384615386
2015	64.29192307692307
2016	64.25346153846155
2017	63.1573076923077
2018	62.56307692307692
2019	61.83230769230769