Year	Dollars
1992-01-01	4350636
1997-01-01	11819630
2002-01-01	12918688
2003-01-01	11153307
2004-01-01	15671440
2005-01-01	24337402
2006-01-01	22239703
2007-01-01	32240248
2008-01-01	41704562
2009-01-01	39707961
2010-01-01	36774824
2011-01-01	63373194
2012-01-01	64759208
2013-01-01	67958765
2014-01-01	62299614
2015-01-01	53946372
2016-01-01	54290504