Year	Dollars
1992-01-01	63270412
1997-01-01	218511527
2002-01-01	135761122
2003-01-01	91315831
2004-01-01	161060343
2005-01-01	109935341
2006-01-01	220971708
2007-01-01	186815880
2008-01-01	161795264
2009-01-01	137162691
2010-01-01	138838772
2011-01-01	271462409
2012-01-01	224917099
2013-01-01	196733814
2014-01-01	231684786
2015-01-01	207443890
2016-01-01	243656718