Year	Millions of 2000 Dollars
1961-01-01	4842.81
1962-01-01	6396.53
1963-01-01	3972.17
1964-01-01	4527.20
1965-01-01	4232.78
1966-01-01	5728.99
1967-01-01	3118.29
1968-01-01	4243.43
1969-01-01	5522.50
1970-01-01	8262.17
1971-01-01	5386.15
1972-01-01	7642.90
1973-01-01	2034.28
1974-01-01	2697.93
1975-01-01	2414.43
1976-01-01	5750.33
1977-01-01	6740.80
1978-01-01	9755.80
1979-01-01	13754.50
1980-01-01	19868.40
1981-01-01	22571.60
1982-01-01	17932.60
1983-01-01	15941.50
1984-01-01	16614.00
1985-01-01	11848.70
1986-01-01	13115.00
1987-01-01	14220.80
1988-01-01	16967.70
1989-01-01	17774.40
1990-01-01	18324.10
1991-01-01	20286.10
1992-01-01	24370.90
1993-01-01	26200.90
1994-01-01	30396.70
1995-01-01	36586.50
1996-01-01	40740.10
1997-01-01	48177.00
1998-01-01	49865.50
1999-01-01	49040.00
2000-01-01	35747.80
2001-01-01	31350.70
2002-01-01	27997.60
2003-01-01	35340.60
2004-01-01	39556.70
2005-01-01	47317.60
2006-01-01	52711.00
2007-01-01	60687.50
2008-01-01	64409.20
2009-01-01	77080.80
2010-01-01	90559.80
2011-01-01	95628.30
2012-01-01	117678.00
2013-01-01	121290.00
2014-01-01	115601.00
2015-01-01	112358.00
2016-01-01	123159.00