Year	1=low to 6=high
2005	3.5625
2006	3.5294117647058822
2007	3.5588235294117645
2008	3.5294117647058822
2009	3.5294117647058822
2010	3.6470588235294117
2011	3.6315789473684212
2012	3.65
2013	3.7
2014	3.7
2015	3.7
2016	3.725
2017	3.675
2018	3.7
2019	3.7
2020	3.6904761904761907
2021	3.7142857142857144
2022	3.738095238095238
2023	3.7857142857142856