Year	days
2005	156
2006	157.11111111111111
2007	159.4
2008	156.1
2009	156.1
2010	156.1
2011	176.0909090909091
2012	177.0909090909091
2013	174.9090909090909
2014	174.9090909090909
2015	174.9090909090909
2016	174.9090909090909
2017	174.9090909090909
2018	174.9090909090909
2019	174.9090909090909