Year	Dollars
1997-01-01	1803715
2002-01-01	7736479
2003-01-01	13214906
2004-01-01	9625988
2005-01-01	10320111
2006-01-01	15364620
2007-01-01	15779972
2008-01-01	17451917
2009-01-01	22191756
2010-01-01	35956460
2011-01-01	34296355
2012-01-01	49407513
2013-01-01	41122570
2014-01-01	61758987
2015-01-01	70804229
2016-01-01	86048472