Year	Dollars
1992-01-01	8684408
1997-01-01	42858620
2002-01-01	37850131
2003-01-01	45417438
2004-01-01	54155154
2005-01-01	71269492
2006-01-01	81442597
2007-01-01	114871841
2008-01-01	115685108
2009-01-01	147497873
2010-01-01	103253087
2011-01-01	76480939
2012-01-01	80826670
2013-01-01	78575313
2014-01-01	67415840
2015-01-01	65302996
2016-01-01	41435228