Year	1=low to 6=high
2005	4.1
2006	4.1
2007	4.3125
2008	4.375
2009	4.277777777777778
2010	4.277777777777778
2011	4.1875
2012	4.25
2013	4.1875
2014	4
2015	4.1
2016	4.1
2017	4.1
2018	4.1
2019	4.1
2020	4.125
2021	4.125
2022	4.125
2023	4.125