Year	Dollars
1992-01-01	38690065
1997-01-01	362015546
2002-01-01	230753757
2003-01-01	191957190
2004-01-01	120907023
2005-01-01	180885878
2006-01-01	180302271
2007-01-01	182364342
2008-01-01	162705000
2009-01-01	284520892
2010-01-01	291565976
2011-01-01	273061289
2012-01-01	145701471
2013-01-01	129442253
2014-01-01	148288110
2015-01-01	155538504
2016-01-01	163886927