Year	Dollars
1992-01-01	51276582
1997-01-01	91238641
2002-01-01	127874772
2003-01-01	155585168
2004-01-01	198513733
2005-01-01	210733939
2006-01-01	218871510
2007-01-01	234962375
2008-01-01	444435981
2009-01-01	196593742
2010-01-01	614323704
2011-01-01	804994256
2012-01-01	732777159
2013-01-01	1164715947
2014-01-01	345325321
2015-01-01	270766614
2016-01-01	217425756