Year	days
2004	134
2005	122.7
2006	102.61904761904762
2007	94.95238095238095
2008	84.19047619047619
2009	87.04761904761905
2010	79.80952380952381
2011	77.80952380952381
2012	80
2013	71.78181818181818
2014	67.87272727272727
2015	66.19090909090909
2016	65.96363636363637
2017	65.25727272727272
2018	54.66636363636363
2019	51.62090909090909