Year current US$ 1960 478662919.9414551 1961 572572184.2030385 1962 578533114.8482704 1963 673026797.3013769 1964 815501859.5814251 1965 858153924.6887878 1966 945137839.6712936 1967 1002435183.3975527 1968 1118495481.023639 1969 1229417231.552966 1970 1358523010.540217 1971 1524205828.955738 1972 1766076254.4099977 1973 2445161268.324089 1974 2845395551.697402 1975 3888240144.2003717 1976 4405933796.897696 1977 5870652229.787316 1978 7972759964.664778 1979 9422642084.319357 1980 10804168666.485502 1981 9032079184.075905 1982 7786826977.391693 1983 6753422541.178663 1984 5916605107.2442045 1985 5974452095.887548 1986 8305255650.79595 1987 9703342071.238573 1988 9988741984.722092 1989 9466822746.514189 1990 10301589271.250162 1991 10175160608.703846 1992 10901357852.032598 1993 10655139915.574791 1994 7380930278.730927 1995 10195348125.168686 1996 17473842786.94561 1997 17629285712.631157 1998 19479359763.770523 1999 18572558923.83146 2000 16475395479.118929 2001 16503656564.76747 2002 16823006737.912466 2003 20354512470.27953 2004 23001740658.44733 2005 23811686908.416092 2006 24777938113.200325 2007 28889234372.953224 2008 34048688717.72144 2009 32479636605.719658 2010 35101833028.53258 2011 34548284702.05449 2012 36424318009.73941 2013 42773864854.57215 2014 47556725076.26368 2015 44901006001.40697 2016 47286085873.48604 2017 51286754179.64228 2018 58902352384.79097 2019 59984120830.99042 2020 62999928220.9789 2021 73174258574.60455 2022 73245274171.05455 2023 81740244010.9143