Year	Millions of 2000 Dollars
1960-01-01	949.5300000000000
1961-01-01	923.4739999999999
1962-01-01	1009.3800000000000
1963-01-01	1117.1700000000000
1964-01-01	1035.4800000000000
1965-01-01	1349.2600000000000
1966-01-01	1102.1600000000000
1967-01-01	1045.8500000000000
1968-01-01	1257.6500000000000
1969-01-01	1374.2600000000000
1970-01-01	1591.6900000000000
1971-01-01	1942.1600000000000
1972-01-01	2375.1300000000000
1973-01-01	2842.5400000000000
1974-01-01	3587.1900000000000
1975-01-01	4060.8900000000000
1976-01-01	4006.0400000000000
1977-01-01	4429.0000000000000
1978-01-01	4185.1200000000000
1979-01-01	4215.0100000000000
1980-01-01	4192.7700000000000
1981-01-01	4270.8900000000000
1982-01-01	4612.4100000000000
1983-01-01	5192.6200000000000
1984-01-01	6196.5600000000000
1985-01-01	2459.5200000000000
1986-01-01	3729.7500000000000
1987-01-01	2576.3500000000000
1988-01-01	2782.9800000000000
1989-01-01	3481.0600000000000
1990-01-01	2529.7300000000000
1991-01-01	2981.3200000000000
1992-01-01	3701.4100000000000
1993-01-01	4243.5000000000000
1994-01-01	4501.4100000000000
1995-01-01	4968.2600000000000
1996-01-01	5393.0300000000000
1997-01-01	6442.5400000000000
1998-01-01	6791.6500000000000
1999-01-01	7936.1700000000000
2000-01-01	8624.0900000000000
2001-01-01	6609.9300000000000
2002-01-01	5997.0700000000000
2003-01-01	5646.7500000000000
2004-01-01	6206.6400000000000
2005-01-01	6624.2400000000000
2006-01-01	7644.3900000000000
2007-01-01	8765.7900000000000
2008-01-01	8687.5100000000000
2009-01-01	9560.7000000000000
2010-01-01	10687.7000000000000
2011-01-01	11600.6000000000000
2012-01-01	11997.1000000000000
2013-01-01	12684.7000000000000
2014-01-01	12890.6000000000000
2015-01-01	14086.6000000000000
2016-01-01	14814.6000000000000