Year current US$ 1960 605050246.8021992 1961 659824440.347544 1962 693046394.8318673 1963 708884439.3368369 1964 770104624.3167136 1965 887926119.6389918 1966 993347877.2081283 1967 1117370263.5405319 1968 1146208876.6069872 1969 1288898872.6700747 1970 1424378270.1285157 1971 1541275995.2144015 1972 1650117113.9179857 1973 1869216263.5493047 1974 2230706443.1528277 1975 2704838725.9238753 1976 2408201016.8537135 1977 2741377014.771262 1978 3131738734.4074726 1979 3717370078.0750585 1980 4359641124.891414 1981 4713964948.556527 1982 4887460175.459012 1983 5114659001.472994 1984 5596444144.143466 1985 6066880838.251154 1986 6520198284.352043 1987 7053176168.331072 1988 7755114129.845596 1989 7764733679.74403 1990 8033360803.328224 1991 8144780695.999325 1992 8440657966.540289 1993 8730871239.29297 1994 9401295529.209631 1995 10528808579.069618 1996 11675125954.400532 1997 13830335675.50861 1998 15028414595.461142 1999 16011184656.916471 2000 16875636660.615707 2001 16888521804.986612 2002 18000889971.062298 2003 18531241310.134888 2004 19517414805.436134 2005 21426544268.15858 2006 24980861851.6734 2007 27220244355.22835 2008 28650477760.41039 2009 28026407458.650154 2010 28940715227.94595 2011 29264748684.803333 2012 31116148728.77207 2013 31505001285.43557 2014 32291302882.844135 2015 33290516748.116234 2016 32002407438.345634 2017 33260789443.134106 2018 34242089207.106403 2019 35764096690.79295 2020 29960409862.095474 2021 34914648385.89146 2022 45119225326.73207 2023 49850090008.47713