Year	days
2009	98.5
2010	98.5
2011	99.38888888888889
2012	90.89473684210526
2013	108.14285714285714
2014	85.40666666666667
2015	79.72380952380952
2016	79.75619047619048
2017	78.39047619047619
2018	72.04761904761905
2019	70.67809523809524