Year	Dollars
1992-01-01	10402173
1997-01-01	82761864
2002-01-01	90548067
2003-01-01	153393216
2004-01-01	87122501
2005-01-01	108643354
2006-01-01	193728827
2007-01-01	125812713
2008-01-01	131795986
2009-01-01	76067400
2010-01-01	88492129
2011-01-01	58364560
2012-01-01	78946843
2013-01-01	103766753
2014-01-01	204298492
2015-01-01	239937186
2016-01-01	231742386