Year	days
2005	173.1764705882353
2006	168.7058823529412
2007	169.1764705882353
2008	167.41176470588235
2009	167.41176470588235
2010	166.58823529411765
2011	164.11764705882354
2012	155.83333333333334
2013	160.507
2014	157.65699999999998
2015	156.90699999999998
2016	157.607
2017	157.402
2018	150.289
2019	147.45025