Year	Dollars
1992-01-01	687708543
1997-01-01	770568211
2002-01-01	851856906
2003-01-01	836807632
2004-01-01	889839327
2005-01-01	1017354799
2006-01-01	1167707730
2007-01-01	1553841794
2008-01-01	1896846873
2009-01-01	1630795261
2010-01-01	2376661138
2011-01-01	2956608099
2012-01-01	3807898572
2013-01-01	3556678134
2014-01-01	3423290923
2015-01-01	3090136415