Year	Dollars
1997-01-01	534190
2002-01-01	176574
2003-01-01	241851
2004-01-01	316379
2005-01-01	288970
2006-01-01	511641
2007-01-01	655289
2008-01-01	532129
2009-01-01	838772
2010-01-01	482614
2011-01-01	1644595
2012-01-01	800419
2013-01-01	367553
2014-01-01	457992
2015-01-01	437672
2016-01-01	568472