Year	Dollars
1997-01-01	431315
2002-01-01	151489
2003-01-01	165287
2004-01-01	1731152
2005-01-01	5251050
2006-01-01	2190199
2007-01-01	4422476
2008-01-01	6749140
2009-01-01	3396013
2010-01-01	3176574
2011-01-01	2751380
2012-01-01	2325224
2013-01-01	5413895
2014-01-01	4682445
2015-01-01	3652117