Year	Millions of 2000 Dollars
1960-01-01	22000.3
1961-01-01	24729.2
1962-01-01	27622.3
1963-01-01	31709.3
1964-01-01	36687.2
1965-01-01	39286.8
1966-01-01	41405.5
1967-01-01	44978.9
1968-01-01	48330.5
1969-01-01	53868.0
1970-01-01	59581.4
1971-01-01	65179.9
1972-01-01	73726.6
1973-01-01	84787.1
1974-01-01	92046.7
1975-01-01	108779.0
1976-01-01	100241.0
1977-01-01	86046.3
1978-01-01	106624.0
1979-01-01	127388.0
1980-01-01	153425.0
1981-01-01	187628.0
1982-01-01	75833.8
1983-01-01	80079.4
1984-01-01	97371.7
1985-01-01	68990.4
1986-01-01	46973.0
1987-01-01	45398.5
1988-01-01	36639.0
1989-01-01	59240.1
1990-01-01	92004.7
1991-01-01	127750.0
1992-01-01	151227.0
1993-01-01	172581.0
1994-01-01	117752.0
1995-01-01	105503.0
1996-01-01	126250.0
1997-01-01	189094.0
1998-01-01	177130.0
1999-01-01	213332.0
2000-01-01	195801.0
2001-01-01	213587.0
2002-01-01	196366.0
2003-01-01	198559.0
2004-01-01	214210.0
2005-01-01	241379.0
2006-01-01	258227.0
2007-01-01	283184.0
2008-01-01	249817.0
2009-01-01	243876.0
2010-01-01	287067.0
2011-01-01	269203.0
2012-01-01	309646.0
2013-01-01	329252.0
2014-01-01	322829.0
2015-01-01	302590.0
2016-01-01	274179.0