Year	days
2005	232
2006	225.76190476190476
2007	225.04761904761904
2008	224.0952380952381
2009	221.66666666666666
2010	211.0952380952381
2011	208.42857142857142
2012	198.14285714285714
2013	175.58136363636365
2014	165.58136363636365
2015	166.7631818181818
2016	166.12681818181818
2017	151.945
2018	151.49045454545455
2019	150.4222727272727