Year	Percent
1990	36.1
1991	36.1
1992	36.1
1993	36.1
1994	36.1
1995	36.1
1996	36.1
1997	36.1
1998	36.1
1999	36.1
2000	36.1
2001	36.1
2002	36.1
2003	36.1
2004	36.1
2005	36.1
2006	36.1
2007	36.1
2008	36.1
2009	36.1
2010	36.1
2011	36.1
2012	36.1
2013	36.1
2014	36.1
2015	36.1