Year	Dollars
1992-01-01	66810367
1997-01-01	155275425
2002-01-01	217841622
2003-01-01	239902412
2004-01-01	267776628
2005-01-01	284732591
2006-01-01	492972955
2007-01-01	580461686
2008-01-01	578278107
2009-01-01	301077576
2010-01-01	402366083
2011-01-01	371768595
2012-01-01	444927046
2013-01-01	453783687
2014-01-01	482002376
2015-01-01	393944840
2016-01-01	394803538