Year	%
2001	9.28
2002	9.28
2003	9.28
2004	9.28
2005	9.28
2006	9.28
2007	9.26
2008	9.26
2009	9.26
2010	9.26
2011	9.26
2012	9.26
2013	8.8
2015	8.79
2016	8.79
2020	8.79
2021	8.84