Year	Dollars
1992-01-01	17789680260
1997-01-01	32210569563
2002-01-01	7624896879
2003-01-01	5890883116
2004-01-01	3985460644
2005-01-01	3037952959
2006-01-01	2326396621
2007-01-01	2257236260
2008-01-01	1856511580
2009-01-01	811014
2010-01-01	597321