Year	Dollars
1992-01-01	1469392
1997-01-01	1333092
2002-01-01	2819227
2003-01-01	1144639
2004-01-01	2784334
2005-01-01	1294000
2006-01-01	1797468
2007-01-01	2517407
2008-01-01	13169209
2009-01-01	11207972
2010-01-01	11586309
2011-01-01	24325013
2012-01-01	32233376
2013-01-01	27054606
2014-01-01	16543695
2015-01-01	15779287
2016-01-01	22999569