Year	Dollars
1992-01-01	222127938
1997-01-01	390954386
2002-01-01	382409152
2003-01-01	275494162
2004-01-01	302268207
2005-01-01	261098287
2006-01-01	347665097
2007-01-01	338300301
2008-01-01	508688463
2009-01-01	299435463
2010-01-01	574318890
2011-01-01	709955600
2012-01-01	1155482868
2013-01-01	1236699960
2014-01-01	1225856021
2015-01-01	1322157238
2016-01-01	884726287