Year Millions of 2000 Dollars 1964-01-01 6784.41 1965-01-01 7380.96 1966-01-01 7798.07 1967-01-01 9829.68 1968-01-01 12705.60 1969-01-01 13684.60 1970-01-01 14584.40 1971-01-01 15990.40 1972-01-01 20532.40 1973-01-01 23082.40 1974-01-01 27227.70 1975-01-01 32309.50 1976-01-01 37671.70 1977-01-01 45442.00 1978-01-01 56956.20 1979-01-01 60636.50 1980-01-01 59817.20 1981-01-01 58134.60 1982-01-01 66801.30 1983-01-01 73021.00 1984-01-01 79118.00 1985-01-01 94055.00 1986-01-01 93353.50 1987-01-01 99228.40 1988-01-01 79170.00 1989-01-01 66680.10 1990-01-01 46133.30 1991-01-01 30815.30 1992-01-01 36914.70 1993-01-01 36404.80 1994-01-01 23072.60 1995-01-01 20248.70 1996-01-01 20863.70 1997-01-01 23335.10 1998-01-01 26577.40 1999-01-01 25679.50 2000-01-01 26080.00 2001-01-01 36607.20 2002-01-01 41449.70 2003-01-01 51907.00 2004-01-01 55292.50 2005-01-01 57588.90 2006-01-01 69818.50 2007-01-01 87684.50 2008-01-01 95146.40 2009-01-01 93761.10 2010-01-01 100679.00 2011-01-01 113590.00 2012-01-01 118145.00 2013-01-01 125878.00 2014-01-01 129585.00 2015-01-01 107775.00 2016-01-01 103918.00