Year	Percent
1991	47.22222
1992	47.22222
1993	47.22222
1994	47.22222
1995	47.22222
1996	47.22222
1997	47.22222
1998	47.22222
1999	47.22222
2000	47.22222
2001	47.22222
2002	47.22222
2003	47.22222
2004	47.22222
2005	47.22222
2006	47.22222
2007	47.22222
2008	47.22222
2009	47.22222
2010	47.22222
2011	47.22222
2012	41.66667
2013	38.88889
2014	38.88889
2015	38.88889
2016	38.88889
2017	38.88889
2018	38.88889
2019	38.88889
2020	38.88889
2021	38.88889