Year	Millions of 2000 Dollars
1960-01-01	733.5419999999999
1961-01-01	601.1040000000000
1962-01-01	670.7810000000001
1963-01-01	729.3080000000000
1964-01-01	776.0810000000000
1965-01-01	811.7160000000000
1966-01-01	809.4770000000000
1967-01-01	1048.7000000000000
1968-01-01	994.7350000000000
1969-01-01	1047.6200000000000
1970-01-01	1060.4800000000000
1971-01-01	1456.3800000000000
1972-01-01	1683.6300000000000
1973-01-01	1884.1000000000000
1974-01-01	1698.2600000000000
1975-01-01	2260.2900000000000
1976-01-01	2896.2300000000000
1977-01-01	3568.2900000000000
1978-01-01	4186.7700000000000
1979-01-01	4985.4800000000000
1980-01-01	5146.8300000000000
1981-01-01	2099.3700000000000
1982-01-01	2308.8400000000000
1983-01-01	2837.7400000000000
1984-01-01	2921.5600000000000
1985-01-01	2861.6000000000000
1986-01-01	3122.5900000000000
1987-01-01	2955.6400000000000
1988-01-01	3447.5800000000000
1989-01-01	3621.3000000000000
1990-01-01	3541.9100000000000
1991-01-01	3512.5600000000000
1992-01-01	4176.5300000000000
1993-01-01	4246.9200000000000
1994-01-01	4628.9200000000000
1995-01-01	4002.6200000000000
1996-01-01	5062.5400000000000
1997-01-01	2445.5900000000000
1998-01-01	2606.1900000000000
1999-01-01	3006.6700000000000
2000-01-01	3382.2700000000000
2001-01-01	3918.5200000000000
2002-01-01	4138.7500000000000
2003-01-01	4491.8300000000000
2004-01-01	4936.5400000000000
2005-01-01	5012.2500000000000
2006-01-01	5986.4200000000000
2007-01-01	7229.7300000000000
2008-01-01	7979.1000000000000
2009-01-01	8292.6800000000000
2010-01-01	9977.0900000000000
2011-01-01	10493.8000000000000
2012-01-01	11014.0000000000000
2013-01-01	12217.6000000000000
2014-01-01	12581.3000000000000
2015-01-01	14098.7000000000000
2016-01-01	14672.7000000000000