Year	Millions of 2000 Dollars
1960-01-01	25024.5
1961-01-01	23292.0
1962-01-01	25141.6
1963-01-01	31261.5
1964-01-01	18477.7
1965-01-01	26255.9
1966-01-01	30727.5
1967-01-01	36990.7
1968-01-01	35999.3
1969-01-01	39197.8
1970-01-01	41956.7
1971-01-01	49189.7
1972-01-01	53936.4
1973-01-01	70990.2
1974-01-01	71664.7
1975-01-01	78330.6
1976-01-01	76249.5
1977-01-01	79555.5
1978-01-01	81527.4
1979-01-01	61141.2
1980-01-01	57119.7
1981-01-01	50490.3
1982-01-01	45282.5
1983-01-01	26410.1
1984-01-01	29021.8
1985-01-01	35963.3
1986-01-01	97325.9
1987-01-01	60241.9
1988-01-01	154621.0
1989-01-01	199400.0
1990-01-01	89287.1
1991-01-01	86361.8
1992-01-01	133920.0
1993-01-01	167377.0
1994-01-01	274744.0
1995-01-01	336180.0
1996-01-01	399112.0
1997-01-01	428365.0
1998-01-01	436178.0
1999-01-01	339131.0
2000-01-01	359229.0
2001-01-01	332418.0
2002-01-01	233084.0
2003-01-01	341729.0
2004-01-01	421422.0
2005-01-01	552174.0
2006-01-01	700753.0
2007-01-01	963767.0
2008-01-01	855849.0
2009-01-01	1300000.0
2010-01-01	1500000.0
2011-01-01	1600000.0
2012-01-01	1700000.0
2013-01-01	1500000.0
2014-01-01	1500000.0
2015-01-01	1100000.0
2016-01-01	1500000.0