Year	Dollars
1997-01-01	812310
2002-01-01	1420473
2003-01-01	1701945
2004-01-01	836552
2005-01-01	2946401
2006-01-01	9502450
2007-01-01	7995539
2008-01-01	21658117
2009-01-01	17592810
2010-01-01	22279914
2011-01-01	36388813
2012-01-01	37928713
2013-01-01	23620711
2014-01-01	26855929