Year	Percent
1989-01-01	4.75000
1990-01-01	4.75000
1991-01-01	4.75000
1992-01-01	4.75000
1993-01-01	4.75000
1994-01-01	4.75000
1995-01-01	4.75000
1996-01-01	7.81250
1997-01-01	7.10000
1998-01-01	7.42500
1999-01-01	7.61250
2000-01-01	7.45000
2001-01-01	8.39375
2002-01-01	8.70917
2003-01-01	10.54750
2004-01-01	10.48750
2005-01-01	10.61380
2006-01-01	10.93750
2007-01-01	6.41250
2008-01-01	8.42125
2009-01-01	9.77750
2010-01-01	8.72472
2011-01-01	9.71125
2012-01-01	9.65125
2013-01-01	9.90429
2014-01-01	11.45250
2015-01-01	10.55750