Year current US$ 1960 594894694.8003014 1961 627934716.4179103 1962 605929106.9041826 1963 597285655.5555556 1964 755727700 1965 559333333.3333334 1966 778814814.8148148 1967 602411299.6063888 1968 763579000.3498715 1969 839120871.5079929 1970 1047700632.177053 1971 1252577345.447066 1972 1109769649.7413876 1973 1306397077.8518307 1974 1933488605.8852646 1975 1835324549.3492846 1976 2131690445.3091223 1977 2569926742.1181154 1978 3210026857.654432 1979 3756624824.023522 1980 5209514724.514206 1981 5610414540.863144 1982 5919610896.641689 1983 5127945978.505532 1984 4767852803.332755 1985 4370639548.477778 1986 4190788877.6325436 1987 4697932909.519812 1988 5433539690.874821 1989 5464066788.876292 1990 7614454664.914586 1991 7165432649.95356 1992 9981383607.086363 1993 13954892238.38727 1994 17092116533.985046 1995 19390381150.0775 1996 20251279515.92793 1997 22137114223.74659 1998 20585197362.26539 1999 15359982697.600544 2000 16731018377.43191 2001 18180843172.173325 2002 17793883920.37893 2003 18873043327.337444 2004 22356075159.729145 2005 29777716181.578423 2006 35453316064.886024 2007 42618891607.558846 2008 51066655641.1447 2009 43545176394.980095 2010 51351305096.50487 2011 67642788202.19103 2012 74226993322.3965 2013 76037444586.23946 2014 79499076760.09004 2015 66653739135.96891 2016 60743865896.62728 2017 62802582423.51392 2018 68961912988.8708 2019 70067176051.04057 2020 55511423806.50885 2021 76006795312.1819 2022 96145284717.69319 2023 82611239661.34554