Year	Dollars
1992-01-01	196563
1997-01-01	470809
2002-01-01	2986775
2003-01-01	3502383
2004-01-01	768611
2005-01-01	1353491
2006-01-01	7238422
2007-01-01	2990841
2008-01-01	2330083
2009-01-01	1921114
2010-01-01	5007694
2011-01-01	2663985
2012-01-01	2366822
2013-01-01	9523303
2014-01-01	5925907
2015-01-01	14273197
2016-01-01	19641588