Year	Dollars
1992-01-01	7668669
1997-01-01	11628444
2002-01-01	6531899
2003-01-01	5702045
2004-01-01	35925582
2005-01-01	11268480
2006-01-01	8284324
2007-01-01	15155366
2008-01-01	20005940
2009-01-01	18386568
2010-01-01	20855090
2011-01-01	24255670
2012-01-01	30061627
2013-01-01	31622297
2014-01-01	26999866
2015-01-01	28127406
2016-01-01	47261839