Year	days
2003	70
2004	66.06666666666666
2005	70.796875
2006	68.515625
2007	64.046875
2008	64.3125
2009	61.54545454545455
2010	55.24242424242424
2011	43.333333333333336
2012	42.138888888888886
2013	37.79189189189189
2014	33.3054054054054
2015	33.23157894736842
2016	33.65526315789474
2017	32.11578947368421
2018	31.010526315789477
2019	30.571052631578947