Year	Dollars
1992-01-01	4485417
1997-01-01	22158058
2002-01-01	10197174
2003-01-01	21747064
2004-01-01	25629711
2005-01-01	15842090
2006-01-01	19821330
2007-01-01	24080609
2008-01-01	31179773
2009-01-01	32713453
2010-01-01	29566841
2011-01-01	70125555
2012-01-01	67515646
2013-01-01	37904834
2014-01-01	34184382
2015-01-01	35382088
2016-01-01	38162688