Year	days
2004	56.14705882352941
2005	55.51470588235294
2006	54.385714285714286
2007	51.17142857142857
2008	49.47142857142857
2009	44.285714285714285
2010	32.02857142857143
2011	29.385714285714286
2012	24.785714285714285
2013	23.57526315789474
2014	23.711315789473687
2015	23.066578947368424
2016	22.191842105263156
2017	21.85447368421053
2018	21.643947368421053
2019	22.907105263157895