Year	1=low to 6=high
2005	4
2006	4.0625
2007	3.9375
2008	3.8125
2009	3.8125
2010	3.875
2011	3.875
2012	3.875
2013	3.75
2014	3.6875
2015	3.6875
2016	3.642857142857143
2017	3.642857142857143
2018	3.5714285714285716
2019	4.142857142857143
2020	4.142857142857143
2021	4.142857142857143
2022	4.142857142857143
2023	4.071428571428571