Year	Percent
1993-01-01	8.31000
1994-01-01	10.08000
1995-01-01	7.07000
1996-01-01	4.96000
1997-01-01	5.90000
1998-01-01	6.51000
1999-01-01	7.38000
2000-01-01	7.66000
2001-01-01	5.33000
2002-01-01	4.62000
2003-01-01	3.90000
2004-01-01	4.13000
2005-01-01	2.30000
2006-01-01	2.40000
2007-01-01	3.21000
2008-01-01	2.43000
2009-01-01	3.33000
2010-01-01	4.27917