Year	1=low to 6=high
2005	3.35
2006	3.35
2007	3.3125
2008	3.4375
2009	3.388888888888889
2010	3.2777777777777777
2011	3.375
2012	3.3125
2013	3.25
2014	2.9
2015	2.7
2016	2.7
2017	2.7
2018	2.7
2019	2.8
2020	3
2021	3
2022	3
2023	3