Year	Dollars
1992-01-01	7326376
1997-01-01	28397733
2002-01-01	65758631
2003-01-01	87422362
2004-01-01	73094891
2005-01-01	108715751
2006-01-01	98929166
2007-01-01	149149407
2008-01-01	190410788
2009-01-01	227373033
2010-01-01	218907007
2011-01-01	248783459
2012-01-01	283642717
2013-01-01	188911934
2014-01-01	185223605
2015-01-01	214221327
2016-01-01	225677056