Year	Millions of 2000 Dollars
1964-01-01	188.26900000000000
1965-01-01	109.25500000000000
1966-01-01	104.38400000000000
1967-01-01	120.96700000000001
1968-01-01	119.12799999999999
1969-01-01	116.64700000000000
1970-01-01	140.32500000000000
1971-01-01	166.51800000000000
1972-01-01	157.82700000000000
1973-01-01	188.72900000000000
1974-01-01	198.21500000000000
1975-01-01	178.22200000000000
1976-01-01	225.55599999999998
1977-01-01	268.36200000000000
1978-01-01	317.45099999999996
1979-01-01	302.80200000000000
1980-01-01	278.27600000000000
1981-01-01	332.75600000000000
1982-01-01	304.14300000000000
1983-01-01	291.62300000000000
1984-01-01	271.39799999999997
1985-01-01	355.54600000000000
1986-01-01	317.55600000000000
1987-01-01	335.40900000000000
1988-01-01	283.74400000000000
1989-01-01	275.57099999999997
1990-01-01	303.06300000000000
1991-01-01	300.23300000000000
1992-01-01	249.06500000000000
1993-01-01	229.79600000000000
1994-01-01	318.79300000000000
1995-01-01	254.22600000000000
1996-01-01	251.89700000000002
1997-01-01	212.00000000000000
1998-01-01	167.23900000000000
1999-01-01	193.17200000000000
2000-01-01	174.38099999999997
2001-01-01	177.94799999999998
2002-01-01	182.97299999999998
2003-01-01	219.75900000000001
2004-01-01	231.53400000000002
2005-01-01	309.62600000000000
2006-01-01	370.03700000000000
2007-01-01	364.94800000000004
2008-01-01	470.78900000000000
2009-01-01	457.53600000000000
2010-01-01	559.41100000000000
2011-01-01	526.64400000000000
2012-01-01	529.83700000000000
2013-01-01	588.71900000000000
2014-01-01	653.88000000000000
2015-01-01	622.57900000000010
2016-01-01	626.51600000000000