Year	days
2003	631.5204081632653
2004	649.7735849056604
2005	667.464
2006	668.4409448818898
2007	666.7952755905512
2008	670.4724409448819
2009	659.875
2010	657.8671875
2011	665.1782945736434
2012	669.3636363636364
2013	679.8313475177305
2014	678.6965957446807
2015	678.5156338028168
2016	679.6614084507042
2017	676.8107042253521
2018	676.6769014084507
2019	674.1369718309859