Year	years
2003	4.2
2004	4.2
2005	4.2
2006	4.2
2007	4.2
2008	4.2
2009	4.2
2010	4.2
2011	2.5
2012	2.5
2013	2.5
2014	2.5
2015	2.5
2016	2.5
2017	2.5
2018	2.5
2019	2.5