Year current US$ 1960 1569262304.6384838 1961 1630624722.1118903 1962 1892397831.0400772 1963 2058587449.041496 1964 2130176741.7779703 1965 2244051465.3719306 1966 2232194886.2659545 1967 2332382832.492506 1968 2492051184.7666926 1969 2713571215.4356594 1970 2905311540.9772573 1971 3159233570.015123 1972 3703377673.4480963 1973 4540481786.720514 1974 5230324637.446344 1975 6234936719.10607 1976 6512099620.936472 1977 7421104218.951865 1978 8930798711.96934 1979 10666804475.044971 1980 13144001264.020184 1981 11055289565.794378 1982 10750515272.89789 1983 10446628566.864422 1984 9210555407.752718 1985 9057385471.529364 1986 11928243378.34213 1987 13308004031.474209 1988 14947874919.296879 1989 15164635015.556946 1990 17730784539.151615 1991 20096406877.580673 1992 20814496861.09159 1993 19351784643.510056 1994 22222736618.49397 1995 24565566007.025764 1996 27258650972.088177 1997 24021747244.673035 1998 25198690196.25972 1999 25282683746.992046 2000 23946609617.918316 2001 22688440883.92658 2002 24432734289.084476 2003 29604459201.18299 2004 33713715715.70059 2005 35691297864.59302 2006 39291213692.14525 2007 45799407812.15803 2008 53960962927.36111 2009 54458924426.90298 2010 54773832212.72548 2011 60365333209.72204 2012 59362608210.401764 2013 64022930689.22458 2014 73561171768.3933 2015 65103681269.86052 2016 66200416906.44974 2017 70318730977.86443 2018 75720464150.08063 2019 76112115574.422 2020 71688003397.33807 2021 84710502905.71803 2022 81132721693.27583 2023 86912545443.74352