Year	%
2000	7.37
2001	7.37
2002	7.37
2003	7.38
2006	7.38
2007	7.36
2008	7.42
2009	7.42
2010	7.42
2011	7.42
2012	7.42
2013	7.42
2014	7.42
2015	7.53
2016	7.53
2017	7.56
2018	7.56
2019	7.56
2020	7.56
2021	7.56