Year constant 2015 US$ 1960 14186657078.629015 1961 14908009318.454742 1962 15364743358.061811 1963 15729559450.344034 1964 17044315115.160313 1965 17535639584.76179 1966 17525367954.13169 1967 18683737441.037712 1968 19393913240.74382 1969 20410633946.30722 1970 21791683611.098274 1971 23568710237.498516 1972 23077914298.760025 1973 23807707939.425995 1974 27774599510.762703 1975 32508283690.52331 1976 34792757248.6621 1977 36587198286.00467 1978 38394989937.339645 1979 39837946697.044716 1980 42160709901.951096 1981 43957844426.771904 1982 44867121030.708786 1983 42507449223.99963 1984 43091057319.01591 1985 44892260674.79302 1986 45467219924.90431 1987 47752949408.342445 1988 45953409589.776634 1989 46693774276.261665 1990 48299180199.910194 1991 49827931677.801865 1992 50685211127.29844 1993 51014816842.79401 1994 53242975675.43155 1995 54389375662.53992 1996 54075099632.24097 1997 57854860983.516945 1998 61523906472.821045 1999 52740741106.79923 2000 54201660984.604126 2001 51924378629.016426 2002 57322088298.06939 2003 55413684815.991264 2004 55582230995.14443 2005 59895134478.30467 2006 63461863022.57138 2007 66264079400.24095 2008 74714881414.64536 2009 74557773517.17253 2010 80613754794.2977 2011 86212657368.52353 2012 88105983883.55612 2013 95804451218.95023 2014 100071824870.38014 2015 99463914000 2016 84696929992.91776 2017 100465588827.3447 2018 102131758740.60786 2019 101421290868.97676 2020 88617565287.7475 2021 99950970362.54439 2022 106960141016.79787 2023 108426298295.81429