Year	Dollars
1992-01-01	4378870
1997-01-01	12015836
2002-01-01	29518868
2003-01-01	42365119
2004-01-01	46745809
2005-01-01	43146679
2006-01-01	51614266
2007-01-01	61692717
2008-01-01	56893502
2009-01-01	29787471
2010-01-01	41248957
2011-01-01	39001013
2012-01-01	37203367
2013-01-01	36988760
2014-01-01	39136398
2015-01-01	32346326
2016-01-01	38604819