Year	years
2003	2.2
2004	2.2
2005	2.2
2006	1.7
2007	1.7
2008	1.7
2009	1.7
2010	1.7
2011	1.7
2012	1.7
2013	1.7
2014	1.7
2015	1.7
2016	1.7
2017	1.7
2018	1.7
2019	1.7