Year	Dollars
1997-01-01	148297
2002-01-01	915772
2003-01-01	890406
2004-01-01	830706
2005-01-01	1013486
2006-01-01	1117510
2007-01-01	2148215
2008-01-01	2842222
2009-01-01	4239355
2010-01-01	1266941
2011-01-01	3722042
2012-01-01	8971839
2013-01-01	7896937
2014-01-01	5459244
2015-01-01	4524241
2016-01-01	2542264