Year current US$ 1960 191850006.10351598 1961 167110000.61035198 1962 176029998.779297 1963 226669998.168945 1964 244990005.493164 1965 314149993.89648396 1966 516580017.089844 1967 460600006.10351604 1968 449600006.10351604 1969 464359985.35156304 1970 435809997.558594 1971 464179992.675781 1972 574700012.207031 1973 477299987.792969 1974 705380004.882813 1975 387190002.441406 1976 233369995.117188 1977 295950012.207031 1978 417049987.792969 1979 379609985.35156304 1980 270089996.33789104 1981 270049987.792969 1982 248000000 1983 149210006.71386698 1984 152139999.38964802 1985 151149993.89648402 1986 190800003.05175802 1987 127150001.52587901 1988 164119995.117188 1989 124550003.05175799 1990 180550003.05175802 1991 227300003.05175802 1992 566219970.703125 1993 249809997.55859402 1994 895460021.972656 1995 777989990.234375 1996 910299987.792969 1997 851989990.234375 1998 1050660034.17969 1999 1239790039.0625 2000 1485270019.53125 2001 1256020019.53125 2002 1064170043.94531 2003 1533939941.40625 2004 1657989990.23438 2005 1693479980.46875 2006 1690099975.58594 2007 1621579956.05469 2008 1760189941.40625 2009 2160600097.65625 2010 2769860107.42188 2011 3332000000 2012 4113310058.59375 2013 4085600097.65625 2014 4215620117.1875 2015 3167389892.57813 2016 2906070068.35938 2017 2407489990.23438 2018 1644829956.05469 2019 1088040039.0625 2020 1171109985.35156 2021 526520019.53125 2022 48919998.1689453