Year	Percent
1982-01-01	9.50000
1983-01-01	9.50000
1984-01-01	9.50000
1985-01-01	8.91667
1986-01-01	8.50000
1987-01-01	8.50000
1988-01-01	8.50000
1989-01-01	8.50000
1990-01-01	8.50000
1991-01-01	8.50000
1992-01-01	9.00000
1993-01-01	9.00000
1994-01-01	8.58333
1995-01-01	8.00000
1996-01-01	7.79167
1997-01-01	7.75000
1998-01-01	7.75000
1999-01-01	7.75000
2000-01-01	7.75000
2001-01-01	8.04167
2002-01-01	8.25000
2003-01-01	9.14583
2004-01-01	10.50000
2005-01-01	10.00000
2006-01-01	9.50000
2007-01-01	9.50000
2008-01-01	11.85420
2009-01-01	11.75000
2010-01-01	11.70830
2011-01-01	9.50000
2012-01-01	9.20833
2013-01-01	9.32917
2014-01-01	9.48333
2015-01-01	10.89580
2016-01-01	10.15000