Year	Dollars
1992-01-01	3612217
1997-01-01	15727599
2002-01-01	19052562
2003-01-01	24410613
2004-01-01	17136305
2005-01-01	12285171
2006-01-01	23065881
2007-01-01	23281338
2008-01-01	21543068
2009-01-01	15934328
2010-01-01	18058116
2011-01-01	16898289
2012-01-01	14365700
2013-01-01	14540490
2014-01-01	65744326
2015-01-01	66615180
2016-01-01	46452388