Year	Dollars
1997-01-01	3344034
2003-01-01	15114635
2004-01-01	19387717
2005-01-01	19498331
2006-01-01	34428096
2007-01-01	58114768
2008-01-01	87812294
2009-01-01	54633125
2010-01-01	70857471
2011-01-01	75698803
2012-01-01	53404561
2013-01-01	45678436
2014-01-01	35722012
2015-01-01	21161077