Year	Millions of 2000 Dollars
1979-01-01	5723.68
1980-01-01	7950.14
1981-01-01	7107.72
1982-01-01	6350.25
1983-01-01	5036.51
1984-01-01	4016.25
1985-01-01	4273.01
1986-01-01	4496.33
1987-01-01	5376.90
1988-01-01	4680.52
1989-01-01	5530.34
1990-01-01	5391.79
1991-01-01	3058.69
1992-01-01	2954.44
1993-01-01	3296.90
1994-01-01	3636.67
1995-01-01	4110.20
1996-01-01	4706.35
1997-01-01	3495.36
1998-01-01	1860.02
1999-01-01	2321.90
2000-01-01	2438.93
2001-01-01	4728.36
2002-01-01	12730.90
2003-01-01	4182.64
2004-01-01	1907.01
2005-01-01	867.41
2006-01-01	4001.89
2007-01-01	19924.20
2008-01-01	46000000000.00
2009-01-01	1401.10
2010-01-01	2223.53
2011-01-01	2833.18
2012-01-01	3549.93
2013-01-01	3656.58
2014-01-01	4085.72
2015-01-01	4388.80
2016-01-01	5118.59