Year	1=low to 6=high
2005	2.75
2006	2.75
2007	2.75
2008	2.75
2009	2.75
2010	2.5
2011	2.5
2012	2.25
2013	2.25
2014	2.25
2015	2
2016	2
2017	2
2018	2
2019	2
2020	2.25
2021	2.25
2022	2.25
2023	2.25