Year	Millions of 2000 Dollars
1960-01-01	3975.16
1961-01-01	4215.96
1962-01-01	4416.03
1963-01-01	4762.71
1964-01-01	4916.79
1965-01-01	6175.96
1966-01-01	5990.35
1967-01-01	5977.42
1968-01-01	7060.78
1969-01-01	8110.53
1970-01-01	8658.39
1971-01-01	10224.00
1972-01-01	12433.20
1973-01-01	17361.90
1974-01-01	24980.20
1975-01-01	24268.30
1976-01-01	29755.40
1977-01-01	34609.70
1978-01-01	40730.90
1979-01-01	44773.40
1980-01-01	49126.60
1981-01-01	53575.70
1982-01-01	57992.30
1983-01-01	64629.20
1984-01-01	69717.90
1985-01-01	73712.90
1986-01-01	76793.40
1987-01-01	78477.10
1988-01-01	74919.50
1989-01-01	87609.60
1990-01-01	46484.90
1991-01-01	52279.50
1992-01-01	91086.50
1993-01-01	108309.00
1994-01-01	124129.00
1995-01-01	144498.00
1996-01-01	166554.00
1997-01-01	123482.00
1998-01-01	124748.00
1999-01-01	136185.00
2000-01-01	144959.00
2001-01-01	155723.00
2002-01-01	158069.00
2003-01-01	167747.00
2004-01-01	181522.00
2005-01-01	187641.00
2006-01-01	218392.00
2007-01-01	247577.00
2008-01-01	262805.00
2009-01-01	294025.00
2010-01-01	345370.00
2011-01-01	373181.00
2012-01-01	414746.00
2013-01-01	408981.00
2014-01-01	405140.00
2015-01-01	337487.00
2016-01-01	324817.00