Year current US$ 1962 1512465687.326558 1963 1639358138.4109294 1964 1789817387.256994 1965 1839904201.8794932 1966 1962885159.0951114 1967 1751112524.3536336 1968 1702683866.861351 1969 1864618888.137502 1970 2293560445.3723044 1971 2405887065.5128894 1972 2449980594.1048265 1973 2981744961.1531773 1974 3859924476.313389 1975 4592041129.40819 1976 4222699397.6456246 1977 4069941132.6315174 1978 4680808836.484272 1979 6233386898.93054 1980 8361984248.237823 1981 10701166062.188023 1982 9717496360.55773 1983 6525773054.29227 1984 5195170402.1662655 1985 4537197105.135689 1986 5387877887.210141 1987 6726475937.6136265 1988 7967576144.271522 1989 8423369414.819069 1990 8841421525.057188 1991 9969895050.129576 1992 12096702266.74822 1993 13836356346.228102 1994 16124097603.074568 1995 17836687207.924637 1996 20019954185.281845 1997 22808392063.367237 1998 23843464578.57173 1999 24079639859.406204 2000 23456558225.779976 2001 21630712261.38353 2002 17093994523.27229 2003 14114181012.380089 2004 13713762745.1809 2005 15683843982.822355 2006 17982123268.921158 2007 21458528238.079334 2008 26179934329.320873 2009 30246695762.746864 2010 36261110819.88142 2011 42355224186.69678 2012 47470995375.80453 2013 55134832171.75787 2014 57521641834.73626 2015 57498586686.402725 2016 55711409359.977684 2017 56644986366.97335 2018 60079283553.651436 2019 62495607530.52989 2020 54852984943.94219 2021 55081354250.486046 2022 60921938376.585464 2023 66854046461.596535