Year current US$ 1960 -70190653.36465095 1961 93957134.24936794 1962 78276348.48154354 1963 68316961.8403965 1964 75976229.2772617 1965 -169295075.1315932 1966 -140143350.0320609 1967 17526254.97055393 1968 -20730454.981493983 1969 -76239122.13530216 1970 -148929676.0225779 1971 485343451.8816208 1972 732821266.5882747 1973 1573136720.6283057 1974 -344059782.85353875 1975 -25512017.72554309 1976 -1231843247.0901535 1977 -1289035389.1467333 1978 1128505920.1062298 1979 -928682792.5637378 1980 -2221225174.957443 1981 -101232965.99123119 1982 -499846878.6808009 1983 1907393147.3438418 1984 3488493919.0986238 1985 1511213868.1295693 1986 4082799988.7697234 1987 2734592297.015961 1988 2632821353.9626584 1989 275903147.24906546 1990 55339426.91086031 1991 3015950227.36668 1992 3250078814.519729 1993 5718966004.573836 1994 7684033177.812338 1995 15096378955.041845 1996 16101998210.557709 1997 16773238680.27086 1998 15440445791.770966 1999 14592975406.661503 2000 13245290432.428892 2001 12733539224.133757 2002 14077702806.790524 2003 18073655441.920284 2004 26150036059.818474 2005 24629270316.200775 2006 28683418720.013012 2007 29762235899.86388 2008 29041738101.37913 2009 23569076798.453056 2010 25332693415.64237 2011 27277249247.07262 2012 26368942065.203056 2013 24870080542.260048 2014 20943667524.926083 2015 19243042424.531036 2016 15790952066.25405 2017 13713172115.622036 2018 12414008905.35942 2019 22340685068.45673 2020 24527732924.36779 2021 30369261806.341595 2022 16142470215.484211 2023 26089141556.209293