Year	Percent
1996-01-01	35.88000
1997-01-01	36.00000
1998-01-01	36.24500
1999-01-01	36.00500
2000-01-01	36.88000
2001-01-01	36.38000
2002-01-01	36.47000
2003-01-01	39.50000
2004-01-01	40.65000
2005-01-01	39.95000
2006-01-01	38.50000
2007-01-01	38.29000
2008-01-01	36.18500
2009-01-01	36.93615
2010-01-01	36.84000
2011-01-01	34.91000
2012-01-01	36.05500
2013-01-01	34.93000
2014-01-01	12.12000
2015-01-01	13.23000