Year	%
2001	6.42
2002	6.42
2003	6.42
2004	6.42
2005	6.42
2006	6.42
2007	6.66
2008	6.66
2009	6.66
2010	6.65
2011	6.64
2012	6.63
2013	6.7
2015	6.52
2016	6.52
2020	6.52
2021	6.51