Year	Dollars
1992-01-01	103532376
1997-01-01	254577993
2002-01-01	91795845
2003-01-01	35034819
2004-01-01	78063695
2005-01-01	120196304
2006-01-01	181964110
2007-01-01	232802100
2008-01-01	213960921
2009-01-01	150397269
2010-01-01	124854505
2011-01-01	153345230
2012-01-01	236958294
2013-01-01	256950476
2014-01-01	171809034
2015-01-01	111109331
2016-01-01	57043887