Year	Dollars
1992-01-01	584042551
1997-01-01	569475366
2002-01-01	306689005
2003-01-01	288761590
2004-01-01	293811655
2005-01-01	327627164
2006-01-01	352538548
2007-01-01	416710806
2008-01-01	447367856
2009-01-01	323906940
2010-01-01	436405295
2011-01-01	534067779
2012-01-01	698755178
2013-01-01	788399710
2014-01-01	877061183
2015-01-01	761552724
2016-01-01	676272253