Year	Dollars
1992-01-01	516052845
1997-01-01	470451755
2002-01-01	525115554
2003-01-01	675829013
2004-01-01	741209382
2005-01-01	636004509
2006-01-01	837608861
2007-01-01	994045365
2008-01-01	1352890584
2009-01-01	880988011
2010-01-01	1068422643
2011-01-01	1257222719
2012-01-01	988241633
2013-01-01	1168671872
2014-01-01	1399175239
2015-01-01	1555978487
2016-01-01	1339468953