Year current US$ 1960 5818400930.944149 1961 6046880967.500955 1962 5780320924.851348 1963 6463521034.163365 1964 7453601192.576191 1965 8097601295.616207 1966 8056161288.985806 1967 9515521522.483444 1968 9705921552.947449 1969 11699521871.9235 1970 13538562166.169947 1971 14316962290.713966 1972 16137850467.28972 1973 19768097373.47854 1974 28512896094.325718 1975 26597023077.97351 1976 27674067426.154167 1977 28524891030.052765 1978 28836219925.380207 1979 35060774735.8855 1980 40308635097.493034 1981 46317194937.8846 1982 50822023612.49035 1983 39502228311.630455 1984 48132061596.86727 1985 46679773044.37939 1986 45050363738.10856 1987 46014425622.02223 1988 62859791270.1323 1989 84538981913.64278 1990 86178437614.70644 1991 80451542671.37894 1992 71922743863.32979 1993 71471332209.10623 1994 77517813905.2231 1995 88474903474.90347 1996 97669880371.86618 1997 109477055130.60709 1998 98985281150.37645 1999 92369344529.38965 2000 100278586518.82405 2001 89133209044.53253 2002 96618577392.54733 2003 111555620267.90913 2004 149848484848.48486 2005 172148739517.90836 2006 191988158113.4443 2007 221113291983.98367 2008 275160839210.9254 2009 256760438110.55252 2010 297103951239.2763 2011 384552132928.0473 2012 426296349001.0951 2013 419006884976.4704 2014 388277621556.5146 2015 334970143876.8115 2016 279251664036.43115 2017 326611355338.7046 2018 355919604377.8873 2019 358927742562.0919 2020 346657049333.30023 2021 421075493201.20105 2022 495882652139.4318 2023 500384982971.907