Year	Dollars
1992-01-01	618817930
1997-01-01	801672481
2002-01-01	1012717475
2003-01-01	1730411205
2004-01-01	2493720633
2005-01-01	2971236795
2006-01-01	2669168840
2007-01-01	2200273584
2008-01-01	2644579839
2009-01-01	1973762976
2010-01-01	1682926853
2011-01-01	1095879196
2012-01-01	1054004253
2013-01-01	1269212919
2014-01-01	1322661986
2015-01-01	1394347242
2016-01-01	1363304916