Year	Percent
1992-01-01	4424.25
1993-01-01	4714.25
1994-01-01	4990.00
1995-01-01	5768.00
1996-01-01	7377.50
1997-01-01	7440.50
1998-01-01	9989.50
1999-01-01	15948.75
2000-01-01	18457.00
2001-01-01	15182.25
2002-01-01	12763.75
2003-01-01	12401.25
2004-01-01	17394.00
2005-01-01	18912.50
2006-01-01	15002.00
2007-01-01	15707.00
2008-01-01	11951.50
2009-01-01	6703.50
2010-01-01	2901.00
2011-01-01	2274.50
2012-01-01	1347.25
2013-01-01	1500.50
2014-01-01	1656.50
2015-01-01	2562.50
2016-01-01	3120.25
2017-01-01	3860.00