Year US Dollars adjusted for inflation) 1960 127938142382.70799 1961 93049410949.895 1962 87857253828.06917 1963 96906550968.20979 1964 114524161928.61203 1965 133936007378.36998 1966 148200192169.75595 1967 139649041075.29996 1968 133923430402.18701 1969 156610059507.10706 1970 186835800986.11496 1971 200026408541.99698 1972 207647414703.95496 1973 223760854088.397 1974 228929729818.93799 1975 248892402260.237 1976 244984791537.90488 1977 263530140255.29507 1978 294275263560.25 1979 316640183590.83002 1980 341359305729.89001 1981 359015821543.505 1982 391091825271.573 1983 433467463224.2489 1984 499090846998.18494 1985 566185607089.922 1986 616800952422.28381 1987 688898391994.54614 1988 766292786310.89209 1989 798368790038.95911 1990 829561967976.3457 1991 906662087029.1322 1992 1035554652468.52002 1993 1179160981085.91992 1994 1333066943927.93994 1995 1479027474653.82007 1996 1625870831170.38013 1997 1775951215586.10962 1998 1915143415250.11011 1999 2061986771766.66943 2000 2237080553585.02051 2001 2423651070682.22998 2002 2644946068879.54004 2003 2910382356610.86963 2004 3204657620171.12939 2005 3569853222249.40039 2006 4023919953922.87061 2007 4596579616811.11035 2008 5040346714259.96875 2009 5514129888591.98047 2010 6100620488867.54785 2011 6682402684926.1582 2012 7207389755117.65039 2013 7766512755882.13184 2014 8333286913499.17285 2015 8908300778495.90039 2016 9505156930655.11914 2017 10161012758870.29883