Year	Dollars
1997-01-01	902920
2002-01-01	4107721
2003-01-01	6961636
2004-01-01	9379602
2005-01-01	10376807
2006-01-01	7607230
2007-01-01	28140885
2008-01-01	44729056
2009-01-01	24887344
2010-01-01	56740542
2011-01-01	57435031
2012-01-01	53556248
2013-01-01	59648056
2014-01-01	57647863
2015-01-01	53715555
2016-01-01	45569780