Year	Dollars
1992-01-01	1710519
1997-01-01	4637917
2002-01-01	3311335
2003-01-01	18977828
2004-01-01	12448421
2005-01-01	12266511
2006-01-01	35804297
2007-01-01	53900367
2008-01-01	34376100
2009-01-01	47168908
2010-01-01	83583246
2011-01-01	68923710
2012-01-01	52363224
2013-01-01	64707264
2014-01-01	50467040
2015-01-01	29468064
2016-01-01	34457398