Year	Millions of 2000 Dollars
1960-01-01	309.95300000000000
1961-01-01	315.76300000000000
1962-01-01	393.11500000000000
1963-01-01	451.44800000000004
1964-01-01	543.26400000000000
1965-01-01	657.46800000000010
1966-01-01	709.57100000000000
1967-01-01	696.98500000000000
1968-01-01	597.26300000000000
1969-01-01	594.57100000000000
1970-01-01	647.32700000000000
1971-01-01	718.00200000000000
1972-01-01	896.83200000000000
1973-01-01	1167.06000000000000
1974-01-01	1207.81000000000000
1975-01-01	1137.02000000000000
1976-01-01	1441.86000000000000
1977-01-01	1429.50000000000000
1978-01-01	1217.94000000000000
1979-01-01	1260.11000000000000
1980-01-01	1452.22000000000000
1981-01-01	1839.07000000000000
1982-01-01	2211.07000000000000
1983-01-01	3909.33000000000000
1984-01-01	6518.69000000000000
1985-01-01	5414.69000000000000
1986-01-01	7166.07000000000000
1987-01-01	44206.20000000000000
1988-01-01	406.29000000000000
1989-01-01	262.17400000000004
1990-01-01	244.38800000000000
1991-01-01	460.86400000000003
1992-01-01	537.74100000000000
1993-01-01	515.94700000000000
1994-01-01	744.34100000000000
1995-01-01	875.45900000000000
1996-01-01	1153.49000000000000
1997-01-01	1544.74000000000000
1998-01-01	1793.80000000000000
1999-01-01	1886.11000000000000
2000-01-01	1882.38000000000000
2001-01-01	1645.77000000000000
2002-01-01	1728.42000000000000
2003-01-01	1790.84000000000000
2004-01-01	1924.52000000000000
2005-01-01	1919.61000000000000
2006-01-01	1916.57000000000000
2007-01-01	2059.99000000000000
2008-01-01	2129.02000000000000
2009-01-01	2262.74000000000000
2010-01-01	2549.64000000000000
2011-01-01	2638.63000000000000
2012-01-01	2862.18000000000000
2013-01-01	3228.54000000000000
2014-01-01	3522.80000000000000
2015-01-01	4002.78000000000000
2016-01-01	4144.69000000000000