Year current US$ 1960 16939993.22400271 1961 18059992.77600289 1962 21979991.208003517 1963 32059987.176005132 1964 34999986.0000056 1965 46339981.464007415 1966 56279977.488009006 1967 55019977.992008805 1968 60339975.864009656 1969 68459972.61601095 1970 78399968.64001255 1971 92559321.1570754 1972 98344661.61501187 1973 156205193.67858908 1974 215459831.60577914 1975 210274939.55440643 1976 206310051.5775129 1977 198835049.7087624 1978 214360053.59001338 1979 259206462.34259918 1980 404322358.80816704 1981 429135154.7837858 1982 356874461.23468435 1983 345031864.2850731 1984 274456932.49471116 1985 204067439.17349994 1986 308879700.5906263 1987 478086553.6069405 1988 531962666.7276602 1989 586194983.2175293 1990 657906382.7024169 1991 685116692.5903057 1992 736799083.0339543 1993 777473864.2157184 1994 903787824.5960486 1995 1019660691.7124908 1996 951304720.7844722 1997 1053217235.7324128 1998 1059269205.4170878 1999 1006126049.270282 2000 1238723121.0917618 2001 1141012626.1746292 2002 1160641024.777466 2003 1840984148.9783733 2004 1981737785.6214006 2005 1804657378.8928642 2006 1837866505.8762772 2007 2118892222.0495317 2008 1744253132.9804318 2009 1775453056.1359806 2010 2062825085.7575417 2011 1678863998.0653155 2012 1793023335.4108891 2013 1863616565.248301 2014 1939674951.458887 2015 1751537858.0450797 2016 1681301232.2351692 2017 1915868748.7808905 2018 1886791240.24743 2019 2051994946.784789 2020 1788682373.8501697 2021 2137033463.4677258 2022 2099916839.2332532