Year	Dollars
1997-01-01	669919
2002-01-01	1988593
2003-01-01	6483135
2004-01-01	8291436
2005-01-01	13367449
2006-01-01	34657055
2007-01-01	7622283
2008-01-01	8975539
2009-01-01	53260049
2010-01-01	46881321
2011-01-01	24288073
2012-01-01	12536053
2013-01-01	4039995
2014-01-01	6349945
2015-01-01	18200015
2016-01-01	25763985