Year	Dollars
1992-01-01	15513278
1997-01-01	18171805
2002-01-01	7338612
2003-01-01	9630190
2004-01-01	10961723
2005-01-01	10307538
2006-01-01	11786036
2007-01-01	24602862
2008-01-01	51081752
2009-01-01	10605403
2010-01-01	5685958
2011-01-01	6709862
2012-01-01	12891460
2013-01-01	6251318
2014-01-01	6537824
2015-01-01	3430668
2016-01-01	2320398