Year US Dollars adjusted for inflation) 1960 65295200248.10061 1961 72789522861.81181 1962 79042458028.97998 1963 84792366913.94299 1964 92588125027.11879 1965 108529645820.80101 1966 120728321489.5 1967 134772482216.49799 1968 154729694763.34897 1969 180003022477.31998 1970 200024018295.24197 1971 228867865693.39801 1972 261859963330.95996 1973 284283821134.315 1974 302753326357.49792 1975 295428717775.57294 1976 346341812219.60498 1977 332263402932.172 1978 285573183090.36804 1979 255548064379.78308 1980 185204694919.48999 1981 175618428801.80304 1982 223404927722.20203 1983 242534030245.44699 1984 221226948008.91397 1985 225988223133.77795 1986 202923325011.97501 1987 204239317655.728 1988 193218132849.52194 1989 204851553768.45401 1990 233190267070.57794 1991 262067109149.62497 1992 269495998150.68597 1993 272298750828.89886 1994 268182716269.15594 1995 274304418738.50598 1996 288494963935.12201 1997 289885644880.33795 1998 296198841513.62292 1999 298732699998.0611 2000 316232660519.80396 2001 318694970501.46405 2002 341849916532.91302 2003 371709086133.17224 2004 387969534587.91602 2005 400345002659.63586 2006 420361433133.51093 2007 454645159600.38098 2008 455785666778.38202 2009 460377185304.72198 2010 487069570463.76605 2011 499956057362.96497 2012 462736543548.84204 2013 461838494677.11694 2014 483098855135.67688 2015 476718833681.84088 2016 540581175875.242 2017 563826247961.82788