Year	1=low to 6=high
2005	3.25
2006	3.25
2007	3.25
2008	3.25
2009	3.25
2010	3.5
2011	3.5
2012	3.5
2013	3.25
2014	3.25
2015	3
2016	3
2017	3
2018	3
2019	3
2020	3.25
2021	3.25
2022	3.25
2023	3.25