Year	Dollars
1992-01-01	338873501
1997-01-01	656313829
2002-01-01	621708240
2003-01-01	737766550
2004-01-01	866412637
2005-01-01	960186834
2006-01-01	1197993375
2007-01-01	1213902816
2008-01-01	1176167684
2009-01-01	1052644040
2010-01-01	1275768979
2011-01-01	1386781495
2012-01-01	1544183396
2013-01-01	1589466081
2014-01-01	1557000338
2015-01-01	1224846264