Year	1=low to 6=high
2005	3.125
2006	3.088235294117647
2007	3.1176470588235294
2008	3.176470588235294
2009	3.176470588235294
2010	3.176470588235294
2011	3.0526315789473686
2012	3.025
2013	3
2014	3.15
2015	3
2016	3
2017	3
2018	3.05
2019	3.05
2020	3.0714285714285716
2021	3.0714285714285716
2022	3.0714285714285716
2023	3.0476190476190474