Year	Millions of 2000 Dollars
1964-01-01	34.73510000000000
1965-01-01	36.02580000000000
1966-01-01	39.56040000000000
1967-01-01	46.59370000000000
1968-01-01	48.56850000000000
1969-01-01	47.46400000000000
1970-01-01	52.14410000000000
1971-01-01	52.97800000000000
1972-01-01	65.48820000000000
1973-01-01	105.97200000000001
1974-01-01	104.75800000000000
1975-01-01	95.71390000000000
1976-01-01	112.06700000000001
1977-01-01	103.34600000000000
1978-01-01	147.67400000000000
1979-01-01	130.58600000000000
1980-01-01	137.34799999999998
1981-01-01	121.96600000000001
1982-01-01	115.13300000000000
1983-01-01	126.29799999999999
1984-01-01	81.73960000000000
1985-01-01	148.85900000000000
1986-01-01	73.62370000000000
1987-01-01	101.33400000000000
1988-01-01	107.67100000000000
1989-01-01	99.53500000000000
1990-01-01	112.80300000000000
1991-01-01	117.95100000000001
1992-01-01	122.65000000000000
1993-01-01	131.26600000000000
1994-01-01	122.44000000000000
1995-01-01	135.38900000000000
1996-01-01	135.20200000000000
1997-01-01	153.57700000000000
1998-01-01	159.56500000000000
1999-01-01	165.81700000000000
2000-01-01	167.72900000000000
2001-01-01	173.43099999999998
2002-01-01	165.87400000000002
2003-01-01	176.44299999999998
2004-01-01	210.83200000000000
2005-01-01	243.25700000000000
2006-01-01	300.41500000000000
2007-01-01	383.06500000000000
2008-01-01	384.80100000000000
2009-01-01	440.59600000000000
2010-01-01	468.21100000000000
2011-01-01	473.83900000000000
2012-01-01	438.97000000000000
2013-01-01	443.49900000000000
2014-01-01	401.70800000000000