Year	Percent
1990	6.07
1991	6.07
1992	6.07
1993	6.07
1994	6.07
1995	6.07
1996	6.07
1997	6.07
1998	6.07
1999	6.07
2000	6.07
2001	6.07
2002	6.07
2003	6.07
2004	6.07
2005	6.07
2006	6.07
2007	6.07
2008	6.07
2009	6.07
2010	6.07
2011	6.07
2012	6.07
2013	6.07
2014	6.07
2015	6.07