Year	1=low to 6=high
2005	3.5
2006	3.4375
2007	3.4375
2008	3.375
2009	3.4375
2010	3.3125
2011	3.3125
2012	3.3125
2013	3.375
2014	3.357142857142857
2015	3.2857142857142856
2016	3.25
2017	3.25
2018	3.25
2019	3.357142857142857
2020	3.25
2021	3.4
2022	3.357142857142857
2023	3.2142857142857144