Year	1=low to 6=high
2005	2
2006	2
2007	2
2008	2
2009	2
2010	2
2011	2
2012	1.5
2013	1.5
2014	1.5
2015	1.5
2016	1.5
2017	1.5
2018	1.5
2019	1.5
2020	1.5
2021	1.5
2022	1.5
2023	1.5