Year	Dollars
1992-01-01	2955386
1997-01-01	7177312
2002-01-01	19219783
2003-01-01	10876944
2004-01-01	14515167
2005-01-01	15619893
2006-01-01	15761929
2007-01-01	38797833
2008-01-01	31678696
2009-01-01	76072736
2010-01-01	49996489
2011-01-01	34434836
2012-01-01	57202164
2013-01-01	45116424
2014-01-01	55686538
2015-01-01	29862576
2016-01-01	39092543