Year	Millions of 2000 Dollars
1960-01-01	2841.97
1961-01-01	3068.50
1962-01-01	3359.21
1963-01-01	3591.84
1964-01-01	4236.90
1965-01-01	4520.74
1966-01-01	4848.05
1967-01-01	4109.44
1968-01-01	4512.86
1969-01-01	5393.08
1970-01-01	7550.22
1971-01-01	8445.52
1972-01-01	9439.57
1973-01-01	9879.90
1974-01-01	17765.00
1975-01-01	25427.90
1976-01-01	34076.00
1977-01-01	41587.90
1978-01-01	37605.00
1979-01-01	50211.80
1980-01-01	67125.00
1981-01-01	55789.40
1982-01-01	55932.60
1983-01-01	55017.10
1984-01-01	54704.10
1985-01-01	46447.20
1986-01-01	14116.60
1987-01-01	13253.80
1988-01-01	13049.20
1989-01-01	9852.76
1990-01-01	10474.40
1991-01-01	12742.90
1992-01-01	10148.70
1993-01-01	13635.50
1994-01-01	17767.60
1995-01-01	20796.00
1996-01-01	23384.10
1997-01-01	26680.50
1998-01-01	32117.40
1999-01-01	9303.45
2000-01-01	9303.45
2001-01-01	14379.20
2002-01-01	14913.10
2003-01-01	15386.30
2004-01-01	18546.20
2005-01-01	22558.20
2006-01-01	30167.00
2007-01-01	51759.50
2008-01-01	70201.30
2009-01-01	74087.00
2010-01-01	77393.20
2011-01-01	80850.20
2012-01-01	96389.30
2013-01-01	104173.00
2014-01-01	100081.00
2015-01-01	88104.00
2016-01-01	60866.80