Year current US$ 1960 178410003.66210902 1961 117769996.64306599 1962 188039993.28613302 1963 207089996.33789098 1964 235300003.05175802 1965 122760002.13623 1966 97239997.8637695 1967 33000000 1968 25700000.762939498 1969 9899999.61853027 1970 170940002.44140598 1971 138710006.71386698 1972 139940002.44140598 1973 886919982.910156 1974 1376270019.53125 1975 2513429931.64063 1976 2432879882.8125 1977 2639179931.64063 1978 2697929931.64063 1979 1572469970.70313 1980 1383150024.41406 1981 1297709960.9375 1982 1457030029.29688 1983 1456780029.29688 1984 1768050048.82813 1985 1774180053.71094 1986 1669439941.40625 1987 1723160034.17969 1988 1496810058.59375 1989 1644199951.17188 1990 6065200195.3125 1991 5408839843.75 1992 3737699951.17188 1993 2485229980.46875 1994 2692199951.17188 1995 2028069946.28906 1996 2193899902.34375 1997 2009459960.9375 1998 1974140014.64844 1999 1620250000 2000 1370829956.05469 2001 1300390014.64844 2002 1308729980.46875 2003 1017179992.67578 2004 1502839965.82031 2005 1046310058.59375 2006 909030029.296875 2007 1171989990.23438 2008 1739439941.40625 2009 976830017.089844 2010 599159973.144531 2011 423730010.986328 2012 1813430053.71094 2013 5512509765.625 2014 3537600097.65625 2015 2524530029.29688 2016 2437350097.65625 2017 33110000.6103516 2018 2080899902.34375 2019 1706400024.41406 2020 1561760009.76563 2021 7941390136.71875 2022 5817100097.65625