Year US Dollars adjusted for inflation) 1960 972660208.98406 1961 930859883.14645 1962 1036361665.40378 1963 934586344.12836 1964 818090224.71624 1965 875434498.34915 1966 936792921.65402 1967 1001581684.14709 1968 1071830429.28598 1969 1189810772.01354 1970 1261216376.05286 1971 1276434726.18966 1972 1279792620.96161 1973 1323793019.22653 1974 1342456165.24086 1975 1314078985.52699 1976 1570384535.34909 1977 1601699722.2452 1978 1748268714.20242 1979 1955786602.84421 1980 2130861037.54775 1981 2246698894.19799 1982 2287383161.27398 1983 2424176678.70673 1984 2321372841.83873 1985 2423577046.01444 1986 2556198514.048 1987 2555584103.42524 1988 2670555359.79429 1989 2669579691.79104 1990 2605528703.92097 1991 2540015820.32156 1992 2689183970.36084 1993 2471126328.29213 1994 1229433112.60261 1995 1662489594.92832 1996 1874385460.69134 1997 2133983207.63131 1998 2323025727.0881 1999 2423435683.71451 2000 2626299259.43894 2001 2849129766.50928 2002 3224988890.46447 2003 3296015154.77876 2004 3541491696.90447 2005 3873609810.79125 2006 4231030725.9445 2007 4553997445.97221 2008 5062280240.66949 2009 5378584801.81154 2010 5773084568.14756 2011 6235918930.24558 2012 6775059582.83256 2013 7090700999.49207 2014 7631336868.37547 2015 8308082095.23023 2016 8805014648.57369 2017 9342172848.18128