Year	Dollars
1997-01-01	8362593
2002-01-01	19500920
2003-01-01	24333921
2004-01-01	27261291
2005-01-01	38273618
2006-01-01	37470050
2007-01-01	47121319
2008-01-01	56088414
2009-01-01	35663921
2010-01-01	63803407
2011-01-01	60717515
2012-01-01	55126143
2013-01-01	64688233
2014-01-01	86525763
2015-01-01	113086025
2016-01-01	108726853