Year	days
2003	637.695652173913
2004	724.3
2005	748.15625
2006	748.25
2007	748.25
2008	753.6875
2009	721.2121212121212
2010	715.4242424242424
2011	716.3333333333334
2012	719.2222222222222
2013	713.9370270270269
2014	711.5045945945946
2015	707.9123684210526
2016	707.9123684210526
2017	708.043947368421
2018	706.7281578947368
2019	705.2894736842105