Year	1=low to 6=high
2005	3.25
2006	3.088235294117647
2007	3.176470588235294
2008	3.2058823529411766
2009	3.264705882352941
2010	3.323529411764706
2011	3.236842105263158
2012	3.2
2013	3.175
2014	3.05
2015	3.025
2016	3.05
2017	3.05
2018	3.05
2019	3.075
2020	2.9761904761904763
2021	3
2022	2.9761904761904763
2023	3
