Year	Percent
1961	48.14815
1962	48.14815
1963	53.08642
1964	53.08642
1965	53.08642
1966	53.08642
1967	46.91358
1968	46.91358
1969	46.91358
1970	46.91358
1971	46.91358
1972	46.91358
1973	46.91358
1974	46.91358
1975	46.91358
1976	46.91358
1977	46.91358
1978	46.91358
1979	46.91358
1980	46.91358
1981	46.91358
1982	46.91358
1983	46.91358
1984	48.14815
1985	48.14815
1986	48.14815
1987	48.14815
1988	48.14815
1989	48.14815
1990	48.14815
1991	48.14815
1992	48.14815
1993	45.67901
1994	45.67901
1995	45.67901
1996	45.67901
1997	45.67901
1998	41.97531
1999	41.97531
2000	41.97531
2001	41.97531
2002	41.97531
2003	41.97531
2004	41.97531
2005	41.97531
2006	41.97531
2007	41.97531
2008	41.97531
2009	41.97531
2010	41.97531
2011	41.97531
2012	41.97531
2013	41.97531
2014	41.97531
2015	41.97531
2016	41.97531
2017	41.97531
2018	41.97531
2019	41.97531
2020	41.97531
2021	41.97531