Year	Dollars
1992-01-01	308087
1997-01-01	1339664
2002-01-01	1853021
2003-01-01	2612606
2004-01-01	2494844
2005-01-01	3365561
2006-01-01	2495679
2007-01-01	3239201
2008-01-01	3839692
2009-01-01	4194137
2010-01-01	4750592
2011-01-01	1472497