Year current US$ 1960 1223943661.9718308 1961 1309859154.9295774 1962 1390140845.0704224 1963 1549295774.6478872 1964 1740845070.4225352 1965 2064788732.394366 1966 2138028169.0140843 1967 1748837209.3023255 1968 1666666666.6666667 1969 1961764705.882353 1970 2214705882.352941 1971 2427184466.019418 1972 2116541353.3834586 1973 3018103448.275862 1974 2894409937.8881984 1975 2810106382.9787235 1976 2765254237.2881355 1977 3189428571.428571 1978 3662478184.991274 1979 4020227920.22792 1980 4445228215.767634 1981 4222441860.4651165 1982 4035994397.759104 1983 4057275132.275132 1984 4412279843.444227 1985 4504306722.689075 1986 5735677433.826828 1987 5074829931.972789 1988 5197765031.64557 1989 5251858439.874004 1990 5889106573.460878 1991 6603185267.796426 1992 6416103925.832665 1993 5968922939.3719845 1994 5446383726.770467 1995 6464382807.678836 1996 6932991739.377671 1997 6891443192.249848 1998 7482069162.420078 1999 7718109982.260925 2000 4982850662.208511 2001 5314872854.440497 2002 6166197847.850311 2003 7632723555.66221 2004 8881417906.714323 2005 10744568381.44561 2006 20885037596.696342 2007 24827339138.49064 2008 28679383241.07291 2009 26048720005.52326 2010 32197655566.534706 2011 39336668080.55898 2012 41271701060.95403 2013 62824629066.04083 2014 54783319817.370514 2015 49406010054.266335 2016 56164929304.8754 2017 60405924078.72783 2018 67298914624.372314 2019 68337969247.70674 2020 70043095503.6675 2021 79524421861.27426 2022 74263364041.87419 2023 76370394412.41626