Year	Dollars
1992-01-01	10416410475
1997-01-01	18675490235
2002-01-01	21211427623
2003-01-01	21384502070
2004-01-01	25342276812
2005-01-01	28927533910
2006-01-01	34194287660
2007-01-01	38417102227
2008-01-01	49149863266
2009-01-01	42640353359
2010-01-01	50583231144
2011-01-01	60069352346
2012-01-01	61520720584
2013-01-01	55911188172
2014-01-01	53741024770
2015-01-01	49524418377
2016-01-01	47524347313