Year	Dollars
1992-01-01	351128
1997-01-01	2150624
2002-01-01	4101542
2003-01-01	2334242
2004-01-01	1466159
2005-01-01	1763978
2006-01-01	7197097
2007-01-01	10785601
2008-01-01	14077693
2009-01-01	8178685
2010-01-01	7944057
2011-01-01	33351577
2015-01-01	23044780
2016-01-01	20338596