Year constant 2015 US$ 1960 6794645962.013161 1961 6413793156.627266 1962 6751727004.755865 1963 6950632549.959664 1964 7368491563.251765 1965 7796423724.609076 1966 8753521832.006027 1967 9251799713.033459 1968 9591595701.989506 1969 10013226654.107573 1970 10234143065.619377 1971 13112784893.528008 1972 14137163680.637161 1973 14140344773.565193 1974 15471979746.580385 1975 14600815186.995708 1976 14524076875.984276 1977 16492337870.376633 1978 19177181352.705967 1979 18901290177.715057 1980 19690764388.63097 1981 18857888817.322388 1982 18461946775.299202 1983 18121680440.416447 1984 19090255690.802944 1985 18869363677.65312 1986 20924741778.577206 1987 22825326556.407433 1988 24282504296.896576 1989 25644744039.7155 1990 25577266650.663105 1991 26049340580.92695 1992 25820512975.79384 1993 26283241757.682377 1994 28563654121.8022 1995 32089990100.757378 1996 33157268662.52397 1997 34341266570.88056 1998 36443252747.14368 1999 37025776259.38029 2000 37241159849.68874 2001 39065577075.99094 2002 38377849978.59947 2003 39754672604.69912 2004 40832408680.20081 2005 43345298032.14517 2006 48069527626.94169 2007 50986102348.3416 2008 52050038145.65662 2009 55287754319.848854 2010 59055225305.91882 2011 61631588547.38225 2012 65927969750.305405 2013 69402662558.93066 2014 74072320937.55353 2015 77375694644.52654 2016 79626635386.29036 2017 84712123822.21387 2018 87759149802.35365 2019 92254225739.52371 2020 92001112801.62811 2021 98931838797.71713 2022 101321487076.30174 2023 105522652500.18524