Year	Millions of 2000 Dollars
1962-01-01	1082.3400000000000
1963-01-01	932.7330000000001
1964-01-01	896.8830000000000
1965-01-01	853.5550000000000
1966-01-01	758.5160000000001
1967-01-01	696.7960000000000
1968-01-01	750.8789999999999
1969-01-01	631.5090000000000
1970-01-01	753.7730000000000
1971-01-01	788.1289999999999
1972-01-01	875.9600000000000
1973-01-01	1069.8800000000000
1974-01-01	1484.5300000000000
1975-01-01	1516.1400000000000
1976-01-01	1722.4000000000000
1977-01-01	1964.9400000000000
1978-01-01	2460.4100000000000
1979-01-01	2313.7400000000000
1980-01-01	2017.5500000000000
1981-01-01	1774.0200000000000
1982-01-01	1764.4300000000000
1983-01-01	1424.8900000000000
1984-01-01	1254.2300000000000
1985-01-01	1602.1500000000000
1986-01-01	2065.0700000000000
1987-01-01	2384.4900000000000
1988-01-01	2029.1200000000000
1989-01-01	2238.6300000000000
1990-01-01	2269.8600000000000
1991-01-01	2280.4500000000000
1992-01-01	2159.6300000000000
1993-01-01	1716.1900000000000
1994-01-01	1278.2100000000000
1995-01-01	1461.0000000000000
1996-01-01	1477.7300000000000
1997-01-01	1318.1800000000000
1998-01-01	1498.9900000000000
1999-01-01	1422.0600000000000
2000-01-01	1410.4200000000000
2001-01-01	1507.8100000000000
2002-01-01	1879.5500000000000
2003-01-01	2922.3600000000000
2004-01-01	3451.5500000000000
2005-01-01	3128.7100000000000
2006-01-01	3813.2600000000000
2007-01-01	4613.7600000000000
2008-01-01	4437.6000000000000
2009-01-01	4980.5000000000000
2010-01-01	5174.6700000000000
2011-01-01	5196.2000000000000
2012-01-01	5561.5000000000000
2013-01-01	6182.4300000000000
2014-01-01	6016.9100000000000
2015-01-01	6068.7100000000000
2016-01-01	6146.8900000000000