Year	Dollars
1992-01-01	12074164
1997-01-01	9955219
2002-01-01	13906211
2003-01-01	8842728
2004-01-01	10017144
2005-01-01	13424740
2006-01-01	33824132
2007-01-01	23400193
2008-01-01	18941288
2009-01-01	23912267
2010-01-01	30413273
2011-01-01	7627588