Year Millions of 2000 Dollars 1960-01-01 60964.8 1961-01-01 63469.5 1962-01-01 67473.9 1963-01-01 73161.0 1964-01-01 80707.6 1965-01-01 83607.5 1966-01-01 86729.9 1967-01-01 92328.7 1968-01-01 93443.4 1969-01-01 97067.8 1970-01-01 96390.6 1971-01-01 108390.0 1972-01-01 134297.0 1973-01-01 174900.0 1974-01-01 151561.0 1975-01-01 161868.0 1976-01-01 149712.0 1977-01-01 156141.0 1978-01-01 159512.0 1979-01-01 150994.0 1980-01-01 163412.0 1981-01-01 157484.0 1982-01-01 145838.0 1983-01-01 146356.0 1984-01-01 144377.0 1985-01-01 134907.0 1986-01-01 142746.0 1987-01-01 172358.0 1988-01-01 230462.0 1989-01-01 267352.0 1990-01-01 277158.0 1991-01-01 267348.0 1992-01-01 252839.0 1993-01-01 255822.0 1994-01-01 314313.0 1995-01-01 319027.0 1996-01-01 365266.0 1997-01-01 315826.0 1998-01-01 316985.0 1999-01-01 367240.0 2000-01-01 312245.0 2001-01-01 320887.0 2002-01-01 367424.0 2003-01-01 538822.0 2004-01-01 603630.0 2005-01-01 597061.0 2006-01-01 722021.0 2007-01-01 1000000.0 2008-01-01 900192.0 2009-01-01 1100000.0 2010-01-01 1400000.0 2011-01-01 1500000.0 2012-01-01 1600000.0 2013-01-01 1400000.0 2014-01-01 1300000.0 2015-01-01 1200000.0 2016-01-01 1300000.0