Year current US$ 1960 837697584.6231241 1961 863103239.8847518 1962 860013295.3528332 1963 881642449.7422596 1964 889882040.4936594 1965 916660906.435996 1966 991504400.2064536 1967 1007640352.5391837 1968 1043688856.0769889 1969 1214318180.333331 1970 1258949634.4594638 1971 1206520086.7553878 1972 1425375059.0518508 1973 2217371783.590428 1974 3082975048.0564103 1975 2856307211.858761 1976 3248970697.303837 1977 3707235941.5800624 1978 4316811266.80777 1979 5276860296.046227 1980 5638969159.114201 1981 5456193305.484729 1982 5763411281.703457 1983 6137190091.545504 1984 6905918182.043162 1985 6327746932.995897 1986 5597992439.884375 1987 6423541794.495876 1988 7079624390.413409 1989 7024403785.824348 1990 6699015666.158325 1991 7054844340.995053 1992 8622138453.685162 1993 9223047323.428234 1994 10174516079.865873 1995 11486842105.263159 1996 11780348199.37992 1997 11101923486.407835 1998 9607113738.279657 1999 8581578947.368422 2000 8065000000 2001 7432894736.842106 2002 9061052631.578947 2003 10255526315.789474 2004 11565526315.789474 2005 11859231304.652752 2006 14007775524.463514 2007 19329357461.62477 2008 23008645816.502205 2009 18646316941.70781 2010 25731065320.495846 2011 34125456739.748295 2012 30795768325.63833 2013 29461339568.994217 2014 29997311220.15607 2015 24974817526.284767 2016 25493872054.781113 2017 27437883696.113956 2018 26952539323.39231 2019 26443643526.688183 2020 27556678011.229736 2021 35793010152.54767 2022 36310008945.54578 2023 30950756784.738693