Year	Dollars
1992-01-01	46353104
1997-01-01	57146422
2002-01-01	78538756
2003-01-01	67909287
2004-01-01	117392831
2005-01-01	258889262
2006-01-01	298451047
2007-01-01	300502314
2008-01-01	263295291
2009-01-01	200206260
2010-01-01	221670014
2011-01-01	146766887
2012-01-01	130604913
2013-01-01	115259884
2014-01-01	123839364
2015-01-01	109702654
2016-01-01	164294689