Year	Dollars
1992-01-01	342859028
1997-01-01	681200734
2002-01-01	972131565
2003-01-01	1173040058
2004-01-01	1255654449
2005-01-01	1490939060
2006-01-01	1856504538
2007-01-01	1862279257
2008-01-01	1924630540
2009-01-01	1590468658
2010-01-01	1424808867
2011-01-01	1052702805
2012-01-01	1155921541
2013-01-01	987143808
2014-01-01	1066631408
2015-01-01	1184501930
2016-01-01	1324947837