Year	1=low to 6=high
2005	3.95
2006	3.95
2007	4.125
2008	4.125
2009	3.9444444444444446
2010	3.9444444444444446
2011	3.9375
2012	3.875
2013	3.9375
2014	3.5
2015	3.5
2016	3.3
2017	3.3
2018	3.3
2019	3.4
2020	3.375
2021	3.625
2022	3.625
2023	3.625