Year	Millions of 2000 Dollars
1964-01-01	143.73100000000000
1965-01-01	182.49700000000000
1966-01-01	95.39280000000000
1967-01-01	111.17299999999999
1968-01-01	112.00399999999999
1969-01-01	123.23400000000000
1970-01-01	141.44200000000000
1971-01-01	169.14100000000000
1972-01-01	166.44799999999998
1973-01-01	230.57600000000000
1974-01-01	247.00000000000000
1975-01-01	247.56000000000000
1976-01-01	314.34600000000000
1977-01-01	388.09000000000000
1978-01-01	421.05000000000000
1979-01-01	473.43000000000000
1980-01-01	440.36199999999997
1981-01-01	421.13400000000000
1982-01-01	389.62300000000005
1983-01-01	398.17000000000000
1984-01-01	394.92699999999996
1985-01-01	499.83800000000000
1986-01-01	625.65000000000000
1987-01-01	766.47100000000000
1988-01-01	747.56600000000000
1989-01-01	668.56100000000000
1990-01-01	432.16300000000000
1991-01-01	444.96900000000000
1992-01-01	397.27000000000000
1993-01-01	395.97800000000000
1994-01-01	394.65100000000000
1995-01-01	300.26300000000000
1996-01-01	311.11400000000003
1997-01-01	394.13699999999994
1998-01-01	381.90600000000000
1999-01-01	367.77300000000000
2000-01-01	333.96300000000000
2001-01-01	344.47300000000000
2002-01-01	338.47900000000004
2003-01-01	338.22400000000000
2004-01-01	435.95000000000000
2005-01-01	509.02300000000000
2006-01-01	563.28000000000000
2007-01-01	727.89600000000010
2008-01-01	829.55900000000000
2009-01-01	821.31100000000000
2010-01-01	934.52199999999990
2011-01-01	1165.77000000000000
2012-01-01	1243.52000000000000
2013-01-01	1298.46000000000000
2014-01-01	1449.78000000000000
2015-01-01	1584.07000000000000
2016-01-01	1537.28000000000000