Year	1=low to 6=high
2005	3.15625
2006	3.088235294117647
2007	3.1176470588235294
2008	3.1470588235294117
2009	3.1176470588235294
2010	3.176470588235294
2011	3.0789473684210527
2012	3
2013	2.95
2014	2.925
2015	2.925
2016	2.925
2017	2.9
2018	2.925
2019	2.925
2020	3
2021	3.0476190476190474
2022	3.0476190476190474
2023	3.0714285714285716