Year	%
1993	9.99
1994	9.99
1995	9.99
1996	9.99
1997	9.99
1998	9.99
1999	9.99
2000	9.86
2001	9.83
2002	10.42
2003	10
2004	8.09
2005	7.48
2006	6.43
2007	6.11
2008	6.17
2009	7.53
2010	8.61
2011	7.38
2012	7.42
2013	7.29
2014	7.45
2015	7.4
2016	7.4
2017	8.89
2018	7.86
2019	7.86
2020	7.74
2021	7.77