Year current US$ 1960 284014514.2729871 1961 226808715.98797283 1962 324622294.8142099 1963 510412413.2298897 1964 630684138.2382419 1965 765968586.3874345 1966 600233608.2006938 1967 666724662.8969117 1968 597689438.1357743 1969 803137718.2617828 1970 1068379583.1756946 1971 1277659413.8469024 1972 1790862118.506751 1973 2344505974.9344215 1974 2720416218.9116225 1975 2867582799.12311 1976 4643410536.617191 1977 5196053196.053196 1978 5447654583.470601 1979 7642723371.353721 1980 9910204472.071709 1981 10379055962.49141 1982 10187124469.741514 1983 8515977678.145596 1984 10864543361.473524 1985 11259506466.001348 1986 13364289336.364346 1987 18467989613.05421 1988 22257750448.373047 1989 26130919085.42104 1990 27470072852.145447 1991 29998197181.96765 1992 34803063283.4762 1993 40915726713.81071 1994 44188350602.71722 1995 43120372427.894966 1996 48419537294.74103 1997 54700782722.16921 1998 49888752362.22897 1999 49969706735.417336 2000 54919115454.71943 2001 51128962974.83571 2002 52130443239.74726 2003 50799242302.62947 2004 52536209553.15871 2005 60419812292.980125 2006 64731437969.89456 2007 67862158887.28932 2008 68447339245.62142 2009 63613764633.792366 2010 68054528883.21232 2011 69567189105.85817 2012 69204634046.88016 2013 67905492521.91851 2014 70030331117.16757 2015 74038249427.54861 2016 76334052626.4936 2017 78759559616.07556 2018 78788288575.62033 2019 71703796760.48125 2020 72131568091.57944 2021 82444022770.39848 2022 69307508462.38937 2023 63087395586.7126