Year	Dollars
1997-01-01	4481061
2002-01-01	9252815
2003-01-01	9828096
2004-01-01	28123221
2005-01-01	32349833
2006-01-01	91947694
2007-01-01	29770277
2008-01-01	31449434
2009-01-01	21182157
2010-01-01	37984256
2011-01-01	67850653
2012-01-01	76478395
2013-01-01	47624535
2014-01-01	37433592
2015-01-01	33715725
2016-01-01	64430406