Year	Millions of 2000 Dollars
1992-01-01	6105.37
1993-01-01	5739.62
1994-01-01	4518.39
1995-01-01	5515.67
1996-01-01	6850.84
1997-01-01	8973.55
1998-01-01	6070.28
1999-01-01	5459.81
2000-01-01	7326.87
2001-01-01	10578.20
2002-01-01	14631.40
2003-01-01	21102.30
2004-01-01	27241.20
2005-01-01	42595.70
2006-01-01	55792.80
2007-01-01	80852.50
2008-01-01	46664.00
2009-01-01	40060.40
2010-01-01	49817.00
2011-01-01	56938.00
2012-01-01	65465.00
2013-01-01	75751.20
2014-01-01	38097.10
2015-01-01	26383.90
2016-01-01	25470.30