Year constant 2015 US$ 1960 741403451.3483533 1961 781044860.2549413 1962 851162875.2750348 1963 993071845.5076098 1964 1023912134.2716342 1965 1144582037.7138903 1966 1305329769.2433577 1967 1499609041.150691 1968 1789100430.96394 1969 2196424999.5453954 1970 2669430654.8106103 1971 3161347807.902822 1972 3732620515.3383136 1973 4337497499.681775 1974 4509737602.967648 1975 4420780826.650662 1976 4939465022.821084 1977 5399741785.318129 1978 6011092320.840833 1979 6840797919.735237 1980 7524884985.361772 1981 8224683141.490734 1982 7936719218.809666 1983 8158856581.746766 1984 8770716272.980196 1985 8130489335.006272 1986 8813630825.741457 1987 10351935700.907387 1988 12249486298.256142 1989 13450075464.14998 1990 14727328932.773258 1991 15528812757.987377 1992 15885294492.026257 1993 17420762642.51814 1994 19632098630.73482 1995 21603113123.488445 1996 22201443820.122562 1997 23155819831.614933 1998 22987071081.774044 1999 25982652337.570232 2000 29918062298.83803 2001 26446056770.861744 2002 28685687269.288815 2003 29545214845.525787 2004 33635990035.095367 2005 36834651682.94146 2006 41226046951.430176 2007 43675231393.08639 2008 41845907660.97503 2009 40109177531.685844 2010 52011710581.34671 2011 56072663793.57372 2012 56251595657.62914 2013 57191715309.22117 2014 58726237884.8217 2015 55714872801.99298 2016 57776880693.906494 2017 63789209535.759094 2018 68272761987.88937 2019 67279326459.73124 2020 72345934937.17383 2021 81967886821.95915 2022 84181041223.42844 2023 80546251341.07977