Year	days
2003	62.5625
2004	60.111111111111114
2005	64.25581395348837
2006	60.63636363636363
2007	55.65909090909091
2008	51.61363636363637
2009	48.95454545454545
2010	46.95454545454545
2011	37.68181818181818
2012	35.7
2013	31.40869565217391
2014	29.104347826086954
2015	28.9
2016	28.189787234042555
2017	23.966382978723406
2018	23.07276595744681
2019	21.35595744680851