Year	1=low to 6=high
2005	3.9615384615384617
2006	3.9615384615384617
2007	4.1
2008	4.1
2009	4.15
2010	4.15
2011	4.055555555555555
2012	4.055555555555555
2013	4
2014	4.25
2015	4.25
2016	4.25
2017	4.25
2018	4.25
2019	4.25