Year	1=low to 6=high
2005	3.5
2006	3.55
2007	3.5625
2008	3.6875
2009	3.7777777777777777
2010	3.7777777777777777
2011	3.8125
2012	3.875
2013	3.875
2014	3.8
2015	3.8
2016	3.7
2017	3.7
2018	3.7
2019	3.7
2020	3.625
2021	3.625
2022	3.625
2023	3.625