Year	1=low to 6=high
2005	3.59375
2006	3.5294117647058822
2007	3.5294117647058822
2008	3.4705882352941178
2009	3.5294117647058822
2010	3.5294117647058822
2011	3.5526315789473686
2012	3.5
2013	3.475
2014	3.5
2015	3.5
2016	3.45
2017	3.45
2018	3.45
2019	3.7
2020	3.642857142857143
2021	3.619047619047619
2022	3.5476190476190474
2023	3.4761904761904763