Year	1=low to 6=high
2005	3.5
2006	3.5
2007	3.611111111111111
2008	3.65
2009	3.7
2010	3.65
2011	3.611111111111111
2012	3.5555555555555554
2013	3.5
2014	3.5
2015	3.5
2016	3.5
2017	3.5
2018	3.5
2019	3.5
