Year	1=low to 6=high
2005	3.46875
2006	3.3823529411764706
2007	3.4411764705882355
2008	3.4411764705882355
2009	3.5294117647058822
2010	3.3823529411764706
2011	3.263157894736842
2012	3.075
2013	3.025
2014	3
2015	3.025
2016	3.025
2017	3
2018	2.95
2019	2.95
2020	3
2021	2.9523809523809526
2022	2.9761904761904763
2023	2.9285714285714284