Year	Millions of 2000 Dollars
1964-01-01	6071.58
1965-01-01	7216.83
1966-01-01	7222.88
1967-01-01	6926.71
1968-01-01	6737.87
1969-01-01	6665.79
1970-01-01	7229.77
1971-01-01	8902.60
1972-01-01	10936.10
1973-01-01	14616.10
1974-01-01	17587.40
1975-01-01	17304.80
1976-01-01	14386.20
1977-01-01	16872.80
1978-01-01	18547.40
1979-01-01	19178.20
1980-01-01	20071.60
1981-01-01	20366.20
1982-01-01	28620.30
1983-01-01	24324.40
1984-01-01	17859.30
1985-01-01	13195.30
1986-01-01	7384.55
1987-01-01	6141.66
1988-01-01	7463.07
1989-01-01	8484.89
1990-01-01	7436.31
1991-01-01	9944.18
1992-01-01	9896.04
1993-01-01	13775.10
1994-01-01	17469.30
1995-01-01	20472.80
1996-01-01	25747.10
1997-01-01	30762.40
1998-01-01	35594.50
1999-01-01	38723.90
2000-01-01	41140.00
2001-01-01	43535.70
2002-01-01	45954.50
2003-01-01	50990.40
2004-01-01	54367.30
2005-01-01	54934.10
2006-01-01	57749.90
2007-01-01	62376.30
2008-01-01	71527.40
2009-01-01	83296.50
2010-01-01	92003.30
2011-01-01	94244.80
2012-01-01	99088.60
2013-01-01	104341.00
2014-01-01	109673.00
2015-01-01	114393.00