Year	Dollars
1992-01-01	129944564
1997-01-01	146668647
2002-01-01	230159359
2003-01-01	183898613
2004-01-01	113693253
2005-01-01	110808777
2006-01-01	157869230
2007-01-01	237857282
2008-01-01	363713395
2009-01-01	187948697
2010-01-01	139077210
2011-01-01	177233365
2012-01-01	155933550
2013-01-01	196482433
2014-01-01	171837284
2015-01-01	197679140
2016-01-01	241176276