Year US Dollars 1960 408470001.2207 1961 779429992.67578 1962 584609985.35156 1963 685549987.79297 1964 729119995.11719 1965 725030029.29688 1966 652630004.88281 1967 393619995.11719 1968 558580017.08984 1969 491820007.32422 1970 525750000 1971 756059997.55859 1972 525710021.97266 1973 427500000 1974 480209991.45508 1975 954830017.08984 1976 889250000 1977 1982680053.71094 1978 1208750000 1979 1340959960.9375 1980 2691370117.1875 1981 2531760009.76563 1982 2119280029.29688 1983 1145300048.82813 1984 880669982.91016 1985 2208889892.57813 1986 889969970.70312 1987 760940002.44141 1988 818130004.88281 1989 854640014.64844 1990 1839040039.0625 1991 2225879882.8125 1992 1274920043.94531 1993 1119479980.46875 1994 931640014.64844 1995 622969970.70312 1996 804820007.32422 1997 653630004.88281 1998 744500000 1999 964679992.67578 2000 655859985.35156 2001 766229980.46875 2002 549750000 2003 730280029.29688 2004 882780029.29688 2005 827989990.23438 2006 1198130004.88281 2007 1210250000 2008 1361050048.82813 2009 975190002.44141 2010 951489990.23438 2011 1348319946.28906 2012 1442849975.58594 2013 1931650024.41406 2014 2108560058.59375 2015 1654619995.11719 2016 2239929931.64063 2017 2569000000 2018 821400024.41406 2019 777789978.02734 2020 1828430053.71094 2021 927070007.32422