Year	1=low to 6=high
2005	3.6538461538461537
2006	3.6923076923076925
2007	3.75
2008	3.8
2009	3.8
2010	3.7
2011	3.611111111111111
2012	3.611111111111111
2013	3.611111111111111
2014	3.375
2015	3.5
2016	3.75
2017	3.75
2018	3.75
2019	3.75
