Year	days
2003	66.94318181818181
2004	61.46666666666667
2005	68.9245283018868
2006	65.16981132075472
2007	59.50925925925926
2008	55.69444444444444
2009	52.842592592592595
2010	50.52777777777778
2011	49.30555555555556
2012	49.348214285714285
2013	38.259918032786885
2014	35.20254098360656
2015	35.6094262295082
2016	35.1177868852459
2017	34.12655737704918
2018	32.26860655737705
2019	30.90204918032787