Year	days
2004	106.94607843137256
2005	100.62396694214875
2006	92.1260162601626
2007	85.01219512195122
2008	76.8780487804878
2009	70.1008064516129
2010	63.852
2011	60.78174603174603
2012	59.41796875
2013	57.265401459854004
2014	55.08963503649634
2015	55.37159420289854
2016	56.45460144927536
2017	55.3652536231884
2018	53.79815217391305
2019	53.0093115942029
