Year	Dollars
1992-01-01	50433170
1997-01-01	131733541
2002-01-01	248412488
2003-01-01	199689610
2004-01-01	509047687
2005-01-01	574488332
2006-01-01	682056408
2007-01-01	1085650365
2008-01-01	1688265945
2009-01-01	983566925
2010-01-01	1031555232
2011-01-01	1429917031
2012-01-01	1558802057
2013-01-01	1763112642
2014-01-01	1821258562
2015-01-01	1909718251
2016-01-01	1714771515