Year	Dollars
1989-01-01	29168
1993-01-01	31481
1995-01-01	34400
1996-01-01	35786
1997-01-01	37286
1998-01-01	39263
1999-01-01	41009
2000-01-01	42207
2001-01-01	42440
2002-01-01	42638
2003-01-01	43627
2004-01-01	44656
2005-01-01	46346
2006-01-01	48533
2007-01-01	50815
2008-01-01	52102
2009-01-01	50295
2010-01-01	50110
2011-01-01	50575
2012-01-01	51424
2013-01-01	52315
2014-01-01	53750
2015-01-01	55860
2016-01-01	57732