Year	Dollars
1997-01-01	156722
2002-01-01	41931
2003-01-01	105866
2005-01-01	310322
2006-01-01	503937
2007-01-01	639129
2008-01-01	709009
2009-01-01	539558
2010-01-01	920008
2011-01-01	875448
2012-01-01	915817
2013-01-01	638088
2014-01-01	1479793
2015-01-01	1304354
2016-01-01	2069826