Year	Dollars
1992-01-01	3389478
1997-01-01	5532861
2002-01-01	5823640
2003-01-01	5279819
2004-01-01	12012511
2005-01-01	27485645
2006-01-01	25180115
2007-01-01	47527988
2008-01-01	48479914
2009-01-01	10809887
2010-01-01	16363922
2011-01-01	26990844
2012-01-01	34079837
2013-01-01	84735487
2014-01-01	32328913
2015-01-01	66711177
2016-01-01	56097127