Year	days
2009	150.1764705882353
2010	147.2941176470588
2011	147.2941176470588
2012	136.52941176470588
2013	120.94117647058823
2014	117.70588235294117
2015	112.11764705882354
2016	107.05882352941177
2017	99.52941176470588
2018	95.05882352941177
2019	92.41176470588235