Year current US$ 1960 51185576.488319516 1961 56608000 1962 -34534084.467530906 1963 18286933.333333332 1964 38011011.11111111 1965 79904761.90476191 1966 221851851.85185185 1967 91268172.63747096 1968 140746515.0966443 1969 27537712.811098218 1970 159562355.64567724 1971 148695900.8292656 1972 177667412.0923596 1973 254924337.23490456 1974 626474865.4155332 1975 216926683.3724032 1976 256809338.52140078 1977 822016522.4532417 1978 675175853.6897302 1979 762827186.985144 1980 766165450.1113619 1981 1080562753.7200034 1982 1178638637.576499 1983 1048968075.3257458 1984 763171076.4500211 1985 527595534.3844015 1986 91613954.02469258 1987 937422585.608724 1988 976049667.5338341 1989 753332686.8229775 1990 641361048.0627563 1991 743873300.3535823 1992 791874218.8154879 1993 1352668033.8812957 1994 1810673409.6353474 1995 3073845294.3657265 1996 445690692.60989416 1997 620149560.9212761 1998 659730830.2615151 1999 -412442558.816947 2000 765355605.5058596 2001 621333163.36719 2002 515434934.0605187 2003 541434070.5603546 2004 713370335.6788998 2005 1010713882.953543 2006 576190582.7813933 2007 -1295113008.062209 2008 4372213140.3018875 2009 -1541992292.5941565 2010 -452343934.1020723 2011 3605486962.8510766 2012 3617885311.5306287 2013 3212593537.892712 2014 5068699543.502215 2015 1160923948.9454942 2016 2924796784.5564446 2017 -393022240.98529977 2018 -116723461.99135768 2019 351960076.9740528 2020 2063750541.428894 2021 -239033556.5955093 2022 2445847062.315191