Year	Dollars
1992-01-01	383224580
1997-01-01	145096226
2002-01-01	138468802
2003-01-01	129767958
2004-01-01	109629289
2005-01-01	143794655
2006-01-01	183708038
2007-01-01	283689189
2008-01-01	394365128
2009-01-01	305731690
2010-01-01	387946827
2011-01-01	506350361
2012-01-01	713140840
2013-01-01	727530465
2014-01-01	799389298
2015-01-01	599111060
2016-01-01	433563687