Year	1=low to 6=high
2005	3.45
2006	3.6
2007	3.5625
2008	3.625
2009	3.611111111111111
2010	3.611111111111111
2011	3.625
2012	3.75
2013	3.75
2014	3.6
2015	3.5
2016	3.5
2017	3.6
2018	3.6
2019	3.7
2020	3.75
2021	3.875
2022	3.875
2023	4