Year	Dollars
1992-01-01	15929166
1997-01-01	89090007
2002-01-01	220893465
2003-01-01	182450593
2004-01-01	142835812
2005-01-01	285929852
2006-01-01	361253003
2007-01-01	494009184
2008-01-01	724982569
2009-01-01	322389926
2010-01-01	453263194
2011-01-01	504057545
2012-01-01	493614289
2013-01-01	549667700
2014-01-01	567708310
2015-01-01	468847570
2016-01-01	432734087