Year current US$ 1960 1020110002.78406 1961 926220029.592514 1962 1096590028.25618 1963 1527209998.67655 1964 1801160015.14532 1965 1870099935.7923899 1966 1723719935.4656 1967 1969449985.39425 1968 1407659976.6463 1969 1321390014.19395 1970 1346009959.3997 1971 1567140033.02157 1972 1282900030.1957102 1973 1627030030.78699 1974 2386080029.24919 1975 3645119996.5477 1976 3524409965.9919696 1977 2689980008.12531 1978 3175459967.61322 1979 3734830011.84464 1980 5165000008.58307 1981 4403800014.49585 1982 4410139938.35449 1983 4137610047.34039 1984 4014049960.1364098 1985 3910670017.2424297 1986 4908209950.92392 1987 4831699957.8476 1988 5577089937.21008 1989 5612420061.11145 1990 5245440057.75452 1991 7191970027.92358 1992 5958269886.01685 1993 4613720020.29419 1994 6117210092.54456 1995 4453159961.70044 1996 4488510042.19055 1997 4074329994.20166 1998 4284769922.2564697 1999 3822920022.96448 2000 3644300041.19873 2001 5534260005.95093 2002 6386380079.26941 2003 5672769973.75488 2004 6732410093.3075 2005 9018010021.65675 2006 8716180011.74927 2007 10921769828.7964 2008 11186779800.415 2009 13776020320.8923 2010 14937079826.355 2011 16802860359.191902 2012 14128850086.2122 2013 13939530216.217 2014 15584860260.0098 2015 15700559961.319 2016 13996790145.874 2017 14985200000.7629 2018 12219859970.0928 2019 14951799934.3872 2020 16585300338.745098 2021 17641809913.6353