Year	1=low to 6=high
2005	5
2006	5
2007	5
2008	5
2009	5
2010	3.5
2011	3
2012	2.5
2013	2.5
2014	2
2015	2
2016	2
2017	2.5
2018	2.5
2019	2.5
2020	2.5
2021	2.5
2022	2.5
2023	2.5