Year	Dollars
1992-01-01	129066058
1997-01-01	139034465
2002-01-01	76726838
2003-01-01	78856246
2004-01-01	85940882
2005-01-01	97625618
2006-01-01	102673591
2007-01-01	112541698
2008-01-01	122587993
2009-01-01	133476823
2010-01-01	194675056
2011-01-01	217263523
2012-01-01	234133627
2013-01-01	242860989
2014-01-01	245111342
2015-01-01	170893052
2016-01-01	178213485