Year constant 2015 US$ 1960 9621210052.519085 1961 9623364369.765211 1962 10288901059.519304 1963 9995978960.097979 1964 9883979102.0182 1965 10553823687.089163 1966 10176508924.972319 1967 10321430683.833523 1968 10524063160.25625 1969 10670279283.393997 1970 11302501303.346071 1971 11556504008.763218 1972 10970475253.022522 1973 11039830076.456827 1974 12303370549.5101 1975 14236656553.065477 1976 16609226650.723455 1977 17642960631.778214 1978 16596558979.43722 1979 15763644181.768991 1980 16003931009.69474 1981 17194233566.0236 1982 18218780589.860435 1983 18594543248.293793 1984 17663159912.9089 1985 16553729141.041412 1986 17449916752.159245 1987 19931449275.93113 1988 19865457878.082115 1989 21639720129.07314 1990 20456015800.948616 1991 21992448809.68949 1992 23439081607.557076 1993 24509954458.53963 1994 24756580788.944347 1995 26241255779.405643 1996 27794508186.037395 1997 32884421186.41077 1998 34301247872.54173 1999 35365991403.81389 2000 37610270337.13303 2001 40055073506.847015 2002 42460970095.88511 2003 45131259048.71241 2004 47451406763.00805 2005 50129334265.02218 2006 53403487491.79005 2007 56466323951.37653 2008 58638439292.88441 2009 57015500648.42604 2010 59215296613.7581 2011 57312394053.385956 2012 47566600027.22241 2013 48496595854.76675 2014 50757206252.65214 2015 51726758676.76768 2016 53520457581.10719 2017 53900054790.13695 2018 52455031754.90929 2019 51312429477.39505 2020 49449890489.35497 2021 48525909156.87842 2022 48061119947.982414 2023 42271302948.33769