Year	1=low to 6=high
2005	3.25
2006	3.25
2007	3.25
2008	3.25
2009	3.25
2010	3.25
2011	3.25
2012	3.25
2013	3.25
2014	3.25
2015	3.25
2016	3.25
2017	3
2018	3
2019	3
2020	3
2021	2.75
2022	2.5
2023	2.5