Year	days
2005	155.33333333333334
2006	150.52
2007	150.84
2008	146.44
2009	141.24
2010	140.68
2011	138.48
2012	132.46153846153845
2013	136.46517241379308
2014	134.53413793103448
2015	133.9996551724138
2016	134.3444827586207
2017	133.68586206896552
2018	128.40103448275863
2019	126.13293103448277
