Year	years
2003	1.8
2004	1.8
2005	1.8
2006	1.8
2007	1.8
2008	1.8
2009	1.8
2010	3.5
2011	3.5
2012	3.5
2013	3.5
2014	3.5
2015	3.5
2016	3.5
2017	3.5
2018	3.5
2019	3.5