Year	1=low to 6=high
2005	3.6923076923076925
2006	3.6923076923076925
2007	3.8
2008	3.8
2009	3.85
2010	3.85
2011	3.888888888888889
2012	3.888888888888889
2013	3.888888888888889
2014	4
2015	3.875
2016	3.5
2017	3.5
2018	3.75
2019	3.75