Year	Dollars
1992-01-01	45801122
1997-01-01	35976029
2002-01-01	72573792
2003-01-01	105497952
2004-01-01	193418337
2005-01-01	167406528
2006-01-01	151696685
2007-01-01	270146360
2008-01-01	295474475
2009-01-01	365825645
2010-01-01	544057707
2011-01-01	550997843
2012-01-01	643035254
2013-01-01	559228163
2014-01-01	560021812
2015-01-01	494556904
2016-01-01	486181897