Year current US$ 1960 445148514.85148513 1961 283672712.20762277 1962 389230769.2307692 1963 540000000 1964 400286747.4690982 1965 475974546.6229831 1966 800847652.8308841 1967 1073131529.4028058 1968 1594100742.8292577 1969 2043303599.9344811 1970 2327762031.8152165 1971 2313425849.2427573 1972 2330398361.696355 1973 3375161333.163621 1974 5318532162.260722 1975 5932231404.958677 1976 7890082644.628099 1977 11263016528.92562 1978 17428512396.694214 1979 23079338842.97521 1980 21499014293.769268 1981 21184729034.021053 1982 23273789804.23869 1983 26570345046.19604 1984 28968487639.455177 1985 29884025654.582653 1986 34354365774.194508 1987 44718761682.17198 1988 61143729673.58941 1989 80688110818.31448 1990 105789470560.95802 1991 128831901349.59508 1992 131570863694.75314 1993 143002461283.00668 1994 168778030826.72162 1995 210302755197.15256 1996 228798489607.78705 1997 203105638117.19925 1998 117940681873.10922 1999 149218967061.95328 2000 182937997228.01254 2001 168417745511.87125 2002 190554575564.3307 2003 219699043532.71387 2004 246137321368.57568 2005 284928368026.80786 2006 321161972181.332 2007 353585061962.92456 2008 324631887196.7948 2009 291367420297.11884 2010 345697992148.453 2011 377921147108.64575 2012 377716781414.239 2013 398753404734.7789 2014 429875479655.0283 2015 425306721546.6608 2016 445696403457.1954 2017 511455783231.9836 2018 524092377922.44116 2019 496845045404.5217 2020 514676270379.096 2021 575507340038.9194 2022 538487897154.48627 2023 550840665179.5544