Year	1=low to 6=high
2005	3.1842105263157894
2006	3.0526315789473686
2007	3.0789473684210527
2008	3.1315789473684212
2009	3.15
2010	3.1
2011	3.075
2012	3.125
2013	3.125
2014	3.125
2015	3.15
2016	3.1
2017	3.075
2018	3.025
2019	3.025
2020	3.05
2021	3.075
2022	3.125
2023	3.15