Year	Millions of 2000 Dollars
1960-01-01	637.5900000000000
1961-01-01	728.2580000000000
1962-01-01	868.8710000000001
1963-01-01	953.9180000000000
1964-01-01	1055.6000000000000
1965-01-01	1241.0800000000000
1966-01-01	1374.3500000000000
1967-01-01	1669.8600000000000
1968-01-01	1852.4800000000000
1969-01-01	1900.9300000000000
1970-01-01	1968.1300000000000
1971-01-01	1996.8600000000000
1972-01-01	2104.5600000000000
1973-01-01	2524.3000000000000
1974-01-01	2930.2500000000000
1975-01-01	3440.3500000000000
1976-01-01	4409.1400000000000
1977-01-01	5283.8400000000000
1978-01-01	6676.3100000000000
1979-01-01	7363.8700000000000
1980-01-01	7993.8600000000000
1981-01-01	8085.0900000000000
1982-01-01	8975.4500000000000
1983-01-01	9423.8300000000000
1984-01-01	9071.5700000000000
1985-01-01	10222.8000000000000
1986-01-01	12033.8000000000000
1987-01-01	13931.7000000000000
1988-01-01	10609.1000000000000
1989-01-01	8657.0800000000000
1990-01-01	8625.8500000000000
1991-01-01	9542.1600000000000
1992-01-01	9366.2800000000000
1993-01-01	9352.7600000000000
1994-01-01	9435.8500000000000
1995-01-01	9584.4500000000000
1996-01-01	9192.9400000000000
1997-01-01	9722.1200000000000
1998-01-01	10189.0000000000000
1999-01-01	11497.8000000000000
2000-01-01	11885.7000000000000
2001-01-01	12769.0000000000000
2002-01-01	13544.1000000000000
2003-01-01	15503.0000000000000
2004-01-01	16584.9000000000000
2005-01-01	19471.4000000000000
2006-01-01	21426.4000000000000
2007-01-01	23144.0000000000000
2008-01-01	27991.8000000000000
2009-01-01	33832.0000000000000
2010-01-01	36407.8000000000000
2011-01-01	36314.3000000000000
2012-01-01	34964.0000000000000
2013-01-01	39322.8000000000000
2014-01-01	41894.9000000000000
2015-01-01	43783.0000000000000
2016-01-01	42768.8000000000000