Year	Dollars
1992-01-01	166690545
1997-01-01	408033029
2002-01-01	405948819
2003-01-01	364956636
2004-01-01	506658481
2005-01-01	447038815
2006-01-01	598789319
2007-01-01	845177659
2008-01-01	1413192284
2009-01-01	662668253
2010-01-01	674107412
2011-01-01	890366234
2012-01-01	1411790147
2013-01-01	1878478397
2014-01-01	2810035650
2015-01-01	2020691869
2016-01-01	1959805784