Year	Millions of 2000 Dollars
1960-01-01	160.82399999999998
1961-01-01	168.73800000000000
1962-01-01	175.09200000000000
1963-01-01	189.84599999999998
1964-01-01	189.24000000000000
1965-01-01	191.52200000000002
1966-01-01	176.24300000000000
1967-01-01	176.50400000000002
1968-01-01	184.81900000000002
1969-01-01	167.91900000000000
1970-01-01	181.49500000000000
1971-01-01	199.69600000000000
1972-01-01	203.78900000000002
1973-01-01	214.81300000000000
1974-01-01	287.16500000000000
1975-01-01	293.87000000000000
1976-01-01	315.67500000000000
1977-01-01	355.70599999999996
1978-01-01	455.71300000000000
1979-01-01	472.51599999999996
1980-01-01	316.53300000000000
1981-01-01	269.04500000000000
1982-01-01	231.40700000000000
1983-01-01	219.74400000000003
1984-01-01	294.07500000000000
1985-01-01	381.37000000000000
1986-01-01	446.87699999999995
1987-01-01	536.22100000000000
1988-01-01	393.14800000000000
1989-01-01	425.04400000000004
1990-01-01	447.56199999999995
1991-01-01	444.46900000000000
1992-01-01	372.97600000000000
1993-01-01	243.10600000000000
1994-01-01	171.60000000000000
1995-01-01	271.59400000000000
1996-01-01	314.63400000000000
1997-01-01	259.47300000000000
1998-01-01	250.99000000000000
1999-01-01	203.35800000000000
2000-01-01	217.60000000000000
2001-01-01	247.66200000000000
2002-01-01	364.55900000000000
2003-01-01	417.49199999999996
2004-01-01	451.34800000000000
2005-01-01	496.34300000000000
2006-01-01	822.74399999999990
2007-01-01	970.25100000000010
2008-01-01	1040.79000000000000
2009-01-01	1060.79000000000000
2010-01-01	1222.32000000000000
2011-01-01	1296.54000000000000
2012-01-01	1505.91000000000000
2013-01-01	1684.88000000000000
2014-01-01	1861.91000000000000
2015-01-01	1579.60000000000000
2016-01-01	1383.05000000000000