Year	Dollars
1992-01-01	9312139
1997-01-01	11763274
2002-01-01	26458639
2003-01-01	18246949
2004-01-01	21639241
2005-01-01	34638043
2006-01-01	31853131
2007-01-01	32341771
2008-01-01	41764364
2009-01-01	37383404
2010-01-01	39939880
2011-01-01	60130260
2012-01-01	48583575
2013-01-01	79651860
2014-01-01	74849514
2015-01-01	64583047
2016-01-01	65478658