Year current US$ 1960 19999.9995529652 1961 200000.001117587 1962 129999.998956919 1963 129999.998956919 1964 219999.998807907 1965 249999.998137355 1966 259999.99977648302 1967 349999.999627471 1968 459999.993443489 1969 1260000.0090897102 1970 2219999.9578297096 1971 2480000.0339746503 1972 4920000.03531575 1973 4419999.91796911 1974 14569999.974221 1975 13940000.2416223 1976 14539999.7103959 1977 36919999.536126904 1978 75810000.05453831 1979 122310002.880171 1980 150630001.05321398 1981 123760000.07242 1982 171739998.200908 1983 144409999.705851 1984 126500000.670552 1985 116039999.36580701 1986 221640001.416206 1987 372079998.146743 1988 467559997.357428 1989 458519996.123388 1990 321429998.911917 1991 493920003.373176 1992 274759998.61955595 1993 412519989.848137 1994 784619999.179617 1995 525540002.647787 1996 434830001.469702 1997 402480003.032833 1998 413000001.301989 1999 507199997.43253 2000 335099998.46667105 2001 213949999.772012 2002 277030002.545565 2003 362649997.528642 2004 369250007.28853 2005 621030012.06927 2006 562929999.649525 2007 544140006.631613 2008 719659998.14868 2009 1083369984.62677 2010 1638939970.01648 2011 1676130007.74384 2012 1788390020.84732 2013 1761250025.86842 2014 1128920007.67589 2015 979020020.484924 2016 933469986.081123 2017 955370005.9950349 2018 896160004.943609 2019 907950001.239777 2020 839860003.471375 2021 1028699988.84201 2022 815790002.1076206