Year	%
1995	5.6
1996	5.6
1997	5.6
1998	5.6
1999	5.6
2000	5.6
2001	5.6
2002	5.61
2003	5.61
2004	5.61
2005	5.61
2006	5.61
2007	7.09
2008	7.23
2009	7.2
2010	7.18
2011	7.13
2012	7.14
2013	7.12
2014	7.15
2015	5.76
2016	5.76
2017	5.76
2018	5.76
2019	5.76
2020	5.76
2021	5.76