Year	Millions of 2000 Dollars
1960-01-01	63267.2
1961-01-01	66652.7
1962-01-01	72108.1
1963-01-01	76977.3
1964-01-01	82565.2
1965-01-01	85532.5
1966-01-01	90524.4
1967-01-01	99340.2
1968-01-01	105560.0
1969-01-01	104970.0
1970-01-01	105321.0
1971-01-01	119416.0
1972-01-01	133764.0
1973-01-01	144714.0
1974-01-01	158862.0
1975-01-01	154333.0
1976-01-01	164304.0
1977-01-01	148446.0
1978-01-01	173756.0
1979-01-01	186075.0
1980-01-01	175956.0
1981-01-01	143658.0
1982-01-01	114143.0
1983-01-01	107496.0
1984-01-01	99849.0
1985-01-01	117290.0
1986-01-01	147244.0
1987-01-01	174207.0
1988-01-01	170476.0
1989-01-01	178729.0
1990-01-01	185507.0
1991-01-01	193182.0
1992-01-01	152223.0
1993-01-01	130898.0
1994-01-01	142860.0
1995-01-01	160960.0
1996-01-01	164339.0
1997-01-01	142534.0
1998-01-01	136473.0
1999-01-01	136371.0
2000-01-01	120196.0
2001-01-01	127874.0
2002-01-01	156649.0
2003-01-01	196835.0
2004-01-01	211913.0
2005-01-01	191117.0
2006-01-01	241763.0
2007-01-01	277033.0
2008-01-01	250159.0
2009-01-01	304476.0
2010-01-01	329323.0
2011-01-01	332298.0
2012-01-01	357504.0
2013-01-01	370248.0
2014-01-01	317860.0
2015-01-01	308461.0
2016-01-01	306203.0