Year	Dollars
1997-01-01	1624430
2002-01-01	4428244
2003-01-01	2963092
2004-01-01	5298582
2005-01-01	5776041
2006-01-01	3784181
2007-01-01	5767520
2008-01-01	51209471
2009-01-01	9235664
2010-01-01	21178355
2011-01-01	52962167
2012-01-01	28881464
2013-01-01	34340525
2014-01-01	40605970
2015-01-01	60007085
2016-01-01	45622098