Year	Dollars
1992-01-01	21912085
1997-01-01	41082485
2002-01-01	57548896
2003-01-01	53971715
2004-01-01	88371446
2005-01-01	89988907
2006-01-01	131321293
2007-01-01	160325645
2008-01-01	169663634
2009-01-01	163800297
2010-01-01	175542675
2011-01-01	166516368
2012-01-01	148147856
2013-01-01	146493117
2014-01-01	159767813
2015-01-01	187676086
2016-01-01	181968196