Year	Dollars
1992-01-01	8309497
1997-01-01	20907908
2002-01-01	23004540
2003-01-01	29489696
2004-01-01	17244384
2005-01-01	30298945
2006-01-01	28978777
2007-01-01	62213965
2008-01-01	75378682
2009-01-01	51209649
2010-01-01	57039488
2011-01-01	30591082
2012-01-01	23569928
2013-01-01	18886203
2014-01-01	10891052
2015-01-01	7758868
2016-01-01	16608403