Year	Dollars
1992-01-01	29982139
1997-01-01	113281040
2002-01-01	159839953
2003-01-01	153496131
2004-01-01	281909017
2005-01-01	444903832
2006-01-01	528830742
2007-01-01	743883922
2008-01-01	531511208
2009-01-01	869444941
2010-01-01	838305672
2011-01-01	982842204
2012-01-01	1145334687
2013-01-01	1258519729
2014-01-01	1440562162
2015-01-01	1736386706
2016-01-01	2043135312