Year	1=low to 6=high
2005	3.75
2006	3.5
2007	3.25
2008	3.25
2009	3
2010	2.75
2011	3
2012	3
2013	3
2014	2.75
2015	2.75
2016	2.25
2017	2.25
2018	2.25
2019	2
2020	2
2021	1.5
2022	1.5
2023	1.75