Year	Dollars
1992-01-01	1096826099
1997-01-01	2691526591
2002-01-01	1885590210
2003-01-01	1593663890
2004-01-01	1898523746
2005-01-01	1853775301
2006-01-01	2409828107
2007-01-01	2077442788
2008-01-01	1840439939
2009-01-01	1558165177
2010-01-01	2070629121
2011-01-01	2284031450
2012-01-01	2279041494
2013-01-01	2267342727
2014-01-01	2153293642
2015-01-01	1758815831
2016-01-01	1762336427