Year	Millions of 2000 Dollars
1960-01-01	3210.95
1961-01-01	3816.55
1962-01-01	4304.38
1963-01-01	4843.47
1964-01-01	6055.10
1965-01-01	7201.03
1966-01-01	8054.03
1967-01-01	5914.14
1968-01-01	6030.47
1969-01-01	6399.65
1970-01-01	8367.24
1971-01-01	8791.58
1972-01-01	10594.10
1973-01-01	11927.80
1974-01-01	14120.70
1975-01-01	13181.50
1976-01-01	10174.60
1977-01-01	6355.73
1978-01-01	6301.57
1979-01-01	8055.04
1980-01-01	9305.67
1981-01-01	9880.48
1982-01-01	8733.00
1983-01-01	7509.43
1984-01-01	6685.76
1985-01-01	6599.78
1986-01-01	9917.10
1987-01-01	8279.76
1988-01-01	3691.20
1989-01-01	6932.01
1990-01-01	4281.95
1991-01-01	7376.33
1992-01-01	7854.44
1993-01-01	9818.96
1994-01-01	12991.00
1995-01-01	15447.00
1996-01-01	18221.10
1997-01-01	22307.60
1998-01-01	22249.00
1999-01-01	22320.30
2000-01-01	21399.00
2001-01-01	21700.70
2002-01-01	21673.80
2003-01-01	21126.10
2004-01-01	22295.10
2005-01-01	24150.00
2006-01-01	28338.20
2007-01-01	36038.00
2008-01-01	42220.80
2009-01-01	45840.10
2010-01-01	56533.70
2011-01-01	62658.20
2012-01-01	77717.80
2013-01-01	81367.90
2014-01-01	80354.10
2015-01-01	79166.70
2016-01-01	80989.40