Year US Dollars adjusted for inflation) 1960 23618995883.4352 1961 25244550244.321 1962 26213668655.8927 1963 28622806236.0031 1964 31330336374.9836 1965 33581013458.6323 1966 37605204223.6525 1967 41033630578.3172 1968 46445403832.4967 1969 53199139145.77171 1970 58517673375.3668 1971 64635516637.96281 1972 69257418077.41968 1973 79526599374.94638 1974 87050510310.442 1975 93895737335.6595 1976 106210312431.61 1977 119250454777.03999 1978 132099084736.87799 1979 143493466175.228 1980 141052245512.996 1981 151180517291.04202 1982 163675619193.10501 1983 185349648504.70703 1984 204705547544.63602 1985 220569502820.353 1986 245326414436.608 1987 275911911222.67804 1988 308758447867.36993 1989 330463271401.76794 1990 362885781978.63196 1991 400458799319.41296 1992 425189155243.53796 1993 454300767866.05499 1994 496124339459.59607 1995 543606435992.56378 1996 584890676184.04199 1997 619528986792.21899 1998 585633197556.18396 1999 651860239208.82996 2000 710035024103.39893 2001 742166287073.08704 2002 797327303663.04211 2003 820714650870.49902 2004 860928359316.67993 2005 894708410715.35107 2006 941019894278.93506 2007 992431541242.20093 2008 1020509644387.28027 2009 1027729851625.47998 2010 1094499338702.72009 2011 1134795395744.68994 2012 1160809420956.15991 2013 1194428840692.65991 2014 1234340056450.31006 2015 1268781059130.95972 2016 1305947523530.32983 2017 1345945672416.93994