Year	1=low to 6=high
2005	3
2006	2.96875
2007	3.09375
2008	3.15625
2009	3.1515151515151514
2010	3.196969696969697
2011	3.257575757575758
2012	3.264705882352941
2013	3.2941176470588234
2014	3.378787878787879
2015	3.3333333333333335
2016	3.196969696969697
2017	3.0441176470588234
2018	3.0606060606060606
2019	3.0441176470588234
2020	3.073529411764706
2021	3.0454545454545454
2022	3.073529411764706
2023	3.073529411764706