Year	Dollars
1992-01-01	18199589
1997-01-01	4805811
2002-01-01	10282455
2003-01-01	5357431
2004-01-01	14906918
2005-01-01	13233786
2006-01-01	14411360
2007-01-01	43242374
2008-01-01	53634893
2009-01-01	33925192
2010-01-01	23001026
2011-01-01	32874250
2012-01-01	48761071
2013-01-01	74264301
2014-01-01	79764390
2015-01-01	59313645
2016-01-01	38414132