Year US Dollars 1960 355339996.33789 1961 667369995.11719 1962 496839996.33789 1963 650940002.44141 1964 485040008.54492 1965 617849975.58594 1966 556119995.11719 1967 626280029.29688 1968 435290008.54492 1969 708659973.14453 1970 688570007.32422 1971 613200012.20703 1972 579890014.64844 1973 612530029.29688 1974 728570007.32422 1975 762049987.79297 1976 771809997.55859 1977 785429992.67578 1978 875419982.91016 1979 500140014.64844 1980 529669982.91016 1981 603700012.20703 1982 529039978.02734 1983 539869995.11719 1984 479250000 1985 446720001.2207 1986 466260009.76562 1987 510869995.11719 1988 533830017.08984 1989 474989990.23438 1990 577520019.53125 1991 506589996.33789 1992 518109985.35156 1993 352429992.67578 1994 150080001.83105 1995 94069999.69482 1996 160759994.50684 1997 272079986.57227 1998 204309997.55859 1999 359250000 2000 320690002.44141 2001 569070007.32422 2002 314540008.54492 2003 363540008.54492 2004 367489990.23438 2005 399350006.10352 2006 469399993.89648 2007 316290008.54492 2008 346320007.32422 2009 453679992.67578 2010 523469970.70312 2011 839020019.53125 2012 1002849975.58594 2013 660890014.64844 2014 800940002.44141 2015 557849975.58594 2016 717739990.23438 2017 872719970.70312 2018 811619995.11719 2019 1009619995.11719 2020 974929992.67578 2021 1032579956.05469