Year	1=low to 6=high
2005	3.5625
2006	3.625
2007	3.6875
2008	3.6875
2009	3.625
2010	3.6875
2011	3.625
2012	3.625
2013	3.625
2014	3.625
2015	3.625
2016	3.5
2017	3.5
2018	3.357142857142857
2019	3.4285714285714284
2020	3.4285714285714284
2021	3.357142857142857
2022	3.2857142857142856
2023	3.357142857142857