Year	Dollars
1992-01-01	2922436
1997-01-01	9009795
2002-01-01	13822596
2003-01-01	13912793
2004-01-01	18473522
2005-01-01	29537872
2006-01-01	27129784
2007-01-01	30194186
2008-01-01	44894549
2009-01-01	49557366
2010-01-01	45852546
2011-01-01	49994100
2012-01-01	50179023
2013-01-01	53331715
2014-01-01	61487763
2015-01-01	65738897
2016-01-01	54307615