Year	%
2001	6.74
2003	6.74
2004	6.69
2005	6.69
2006	6.69
2007	6.81
2008	6.88
2009	6.88
2010	6.88
2011	6.88
2012	6.88
2013	6.88
2014	6.88
2015	6.77
2016	6.77
2020	6.79
2021	6.79