Year	Millions of 2000 Dollars
1964-01-01	283.60700000000000
1965-01-01	243.83000000000000
1966-01-01	274.44900000000000
1967-01-01	256.85400000000004
1968-01-01	262.89599999999996
1969-01-01	283.96500000000000
1970-01-01	311.67200000000000
1971-01-01	393.60900000000004
1972-01-01	379.68100000000000
1973-01-01	474.68199999999996
1974-01-01	582.19000000000000
1975-01-01	559.37500000000000
1976-01-01	502.35800000000000
1977-01-01	654.61200000000000
1978-01-01	674.55400000000000
1979-01-01	607.88300000000000
1980-01-01	589.02500000000000
1981-01-01	620.33100000000000
1982-01-01	565.77199999999990
1983-01-01	487.59200000000000
1984-01-01	516.46500000000000
1985-01-01	459.09000000000000
1986-01-01	496.59700000000000
1987-01-01	618.17800000000000
1988-01-01	582.86300000000000
1989-01-01	559.10500000000000
1990-01-01	592.33900000000000
1991-01-01	716.35600000000010
1992-01-01	488.49600000000000
1993-01-01	650.34300000000010
1994-01-01	254.08200000000000
1995-01-01	387.00100000000000
1996-01-01	523.53900000000000
1997-01-01	379.29500000000000
1998-01-01	302.92100000000000
1999-01-01	356.80500000000000
2000-01-01	355.57000000000000
2001-01-01	422.27800000000000
2002-01-01	390.61600000000000
2003-01-01	392.28800000000000
2004-01-01	491.05500000000000
2005-01-01	485.81500000000000
2006-01-01	489.96100000000000
2007-01-01	638.54199999999990
2008-01-01	1035.48000000000000
2009-01-01	1209.87000000000000
2010-01-01	1536.54000000000000
2011-01-01	1864.33000000000000
2012-01-01	1100.76000000000000
2013-01-01	1128.61000000000000
2014-01-01	1221.66000000000000
2015-01-01	1072.86000000000000
2016-01-01	1117.95000000000000