Year	Dollars
1992-01-01	90411269
1997-01-01	178604296
2002-01-01	280221436
2003-01-01	440568383
2004-01-01	458051162
2005-01-01	539310689
2006-01-01	615459798
2007-01-01	930642953
2008-01-01	872169226
2009-01-01	600655562
2010-01-01	1042041601
2011-01-01	1457840871
2012-01-01	1443961525
2013-01-01	1245720215
2014-01-01	1245110662
2015-01-01	989691806
2016-01-01	769516541