Year	Dollars
1992-01-01	74924154
1997-01-01	226531165
2002-01-01	250069100
2003-01-01	198873194
2004-01-01	232238415
2005-01-01	277494326
2006-01-01	290864936
2007-01-01	359205971
2008-01-01	374821000
2009-01-01	304390124
2010-01-01	390041367
2011-01-01	450467870
2012-01-01	435551428
2013-01-01	368461381
2014-01-01	317966720
2015-01-01	280509924
2016-01-01	229057346