Year	Dollars
1992-01-01	514217
1997-01-01	1110986
2002-01-01	2472764
2003-01-01	3475231
2004-01-01	4412951
2005-01-01	4814886
2006-01-01	6779332
2007-01-01	13772258
2008-01-01	9595862
2009-01-01	16460014
2010-01-01	16834568
2011-01-01	23476000
2012-01-01	35788889
2013-01-01	22847845
2014-01-01	26530988
2015-01-01	37963497
2016-01-01	48192296