Year	Dollars
1997-01-01	2689087
2002-01-01	1677607
2003-01-01	2439075
2004-01-01	4224602
2005-01-01	5113239
2006-01-01	7042974
2007-01-01	8183644
2008-01-01	12590863
2009-01-01	9442327
2010-01-01	7138057
2011-01-01	5642777
2012-01-01	4743191
2013-01-01	7088416
2014-01-01	14476673
2015-01-01	9715334
2016-01-01	5804937