Year	Millions of 2000 Dollars
1960-01-01	6419.93
1961-01-01	7416.53
1962-01-01	8904.14
1963-01-01	10555.10
1964-01-01	11992.30
1965-01-01	12864.00
1966-01-01	14612.60
1967-01-01	16485.40
1968-01-01	18290.80
1969-01-01	19614.50
1970-01-01	21937.30
1971-01-01	26217.90
1972-01-01	31110.20
1973-01-01	33651.10
1974-01-01	35791.60
1975-01-01	35279.00
1976-01-01	40261.00
1977-01-01	47364.40
1978-01-01	68001.00
1979-01-01	67073.00
1980-01-01	60619.60
1981-01-01	60188.90
1982-01-01	61165.30
1983-01-01	50813.10
1984-01-01	48582.80
1985-01-01	50932.60
1986-01-01	64867.80
1987-01-01	83896.90
1988-01-01	83924.30
1989-01-01	92940.40
1990-01-01	100319.00
1991-01-01	95613.60
1992-01-01	83176.40
1993-01-01	75956.90
1994-01-01	93983.80
1995-01-01	106426.00
1996-01-01	111667.00
1997-01-01	105109.00
1998-01-01	105027.00
1999-01-01	101636.00
2000-01-01	91676.90
2001-01-01	157103.00
2002-01-01	179159.00
2003-01-01	223955.00
2004-01-01	255143.00
2005-01-01	230213.00
2006-01-01	276253.00
2007-01-01	340278.00
2008-01-01	361681.00
2009-01-01	381854.00
2010-01-01	311163.00
2011-01-01	250340.00
2012-01-01	237118.00
2013-01-01	250626.00
2014-01-01	218286.00
2015-01-01	159828.00
2016-01-01	150645.00