Year	Millions of 2000 Dollars
1960-01-01	599.2850000000000
1961-01-01	715.9839999999999
1962-01-01	829.7080000000001
1963-01-01	961.6630000000000
1964-01-01	1218.9400000000000
1965-01-01	1805.2100000000000
1966-01-01	2236.3700000000000
1967-01-01	2701.3700000000000
1968-01-01	3265.7500000000000
1969-01-01	4059.8700000000000
1970-01-01	4570.5300000000000
1971-01-01	6985.0100000000000
1972-01-01	8122.9500000000000
1973-01-01	10781.3000000000000
1974-01-01	15015.3000000000000
1975-01-01	14722.9000000000000
1976-01-01	18231.8000000000000
1977-01-01	21443.1000000000000
1978-01-01	22593.8000000000000
1979-01-01	27096.0000000000000
1980-01-01	30495.3000000000000
1981-01-01	32403.6000000000000
1982-01-01	28745.6000000000000
1983-01-01	26303.2000000000000
1984-01-01	25347.8000000000000
1985-01-01	31025.2000000000000
1986-01-01	27093.6000000000000
1987-01-01	30991.2000000000000
1988-01-01	26852.3000000000000
1989-01-01	27886.4000000000000
1990-01-01	33852.1000000000000
1991-01-01	32665.8000000000000
1992-01-01	32944.0000000000000
1993-01-01	31489.9000000000000
1994-01-01	26161.2000000000000
1995-01-01	28462.0000000000000
1996-01-01	26921.0000000000000
1997-01-01	23917.5000000000000
1998-01-01	25498.1000000000000
1999-01-01	25996.9000000000000
2000-01-01	22167.4000000000000
2001-01-01	18926.6000000000000
2002-01-01	10541.0000000000000
2003-01-01	10251.3000000000000
2004-01-01	11804.7000000000000
2005-01-01	13552.4000000000000
2006-01-01	15869.8000000000000
2007-01-01	22109.5000000000000
2008-01-01	32121.6000000000000
2009-01-01	37369.5000000000000
2010-01-01	35961.8000000000000
2011-01-01	43175.1000000000000
2012-01-01	47827.3000000000000
2013-01-01	50186.0000000000000
2014-01-01	46701.0000000000000
2015-01-01	49890.4000000000000
2016-01-01	57882.6000000000000