Year	days
2005	197.33962264150944
2006	195
2007	195.74074074074073
2008	198.6851851851852
2009	181.88888888888889
2010	178.11111111111111
2011	176.9814814814815
2012	176.27272727272728
2013	172.84322033898306
2014	169.42796610169492
2015	172.08050847457628
2016	168.54
2017	172.01293103448276
2018	170.04189655172414
2019	163.44629310344828