Year	Dollars
1992-01-01	839920610
1997-01-01	734251724
2002-01-01	1183171489
2003-01-01	1478828321
2004-01-01	1353760535
2005-01-01	1223017694
2006-01-01	907908183
2007-01-01	925956095
2008-01-01	1268165386
2009-01-01	1051059430
2010-01-01	1166304069
2011-01-01	1181618159
2012-01-01	1276944791
2013-01-01	1432894608
2014-01-01	1316253749
2015-01-01	1322387919
2016-01-01	1248251899