Year	Percent
1980-01-01	3.25000
1981-01-01	3.25000
1982-01-01	3.25000
1983-01-01	3.25000
1984-01-01	3.25000
1985-01-01	3.25000
1986-01-01	3.25000
1987-01-01	3.25000
1988-01-01	3.25000
1989-01-01	3.25000
1990-01-01	3.25000
1991-01-01	3.25000
1992-01-01	3.25000
1993-01-01	3.25000
1994-01-01	3.08333
1995-01-01	2.75000
1996-01-01	1.50000
1997-01-01	1.50000
1998-01-01	1.50000
1999-01-01	1.50000
2000-01-01	1.50000
2001-01-01	2.47000
2002-01-01	2.68000
2003-01-01	3.60000
2004-01-01	3.93000
2005-01-01	3.20000
2006-01-01	3.39000
2007-01-01	2.90000