Year	Dollars
1997-01-01	692165
2002-01-01	1627238
2003-01-01	2693214
2004-01-01	4611612
2005-01-01	2247124
2006-01-01	1387697
2007-01-01	21777896
2008-01-01	34628379
2009-01-01	25893903
2010-01-01	24543583
2011-01-01	17932948
2012-01-01	21050834
2013-01-01	18943907
2014-01-01	14442498
2015-01-01	57695410
2016-01-01	58785042