Year	days
2003	734.0555555555555
2004	712.6315789473684
2005	748.1071428571429
2006	737.4285714285714
2007	737.4285714285714
2008	740.6428571428571
2009	737.0714285714286
2010	737.0714285714286
2011	754.0344827586207
2012	778.7931034482758
2013	781.5209677419356
2014	781.5209677419356
2015	781.5209677419356
2016	779.0274193548388
2017	776.1241935483872
2018	778.0596774193549
2019	777.9951612903227