Year constant 2015 US$ 1960 1162714069.3341231 1961 1404587399.1868896 1962 1606985771.37745 1963 1729716727.947861 1964 1762732104.6454053 1965 1955800012.1111448 1966 2135948928.4582193 1967 2184754151.5362725 1968 2237148185.7096705 1969 2254373573.6375475 1970 2888124343.552954 1971 3431442175.5608897 1972 3939591247.611698 1973 4589132262.397535 1974 5592511301.259201 1975 5176948977.773362 1976 5436047410.903716 1977 6229133268.160186 1978 6732976284.946282 1979 8016985513.228288 1980 9998623849.121264 1981 11806572963.625088 1982 12751816343.079773 1983 13775291112.724789 1984 14182959651.9672 1985 12838660412.997686 1986 10479499084.110739 1987 10015132106.719402 1988 12339353460.279285 1989 15796878032.84296 1990 20073893566.85735 1991 24563474659.031605 1992 27263041167.135315 1993 32115658992.178703 1994 37292715646.2153 1995 45810387418.339386 1996 49574451810.70562 1997 54116614082.62308 1998 30864885005.584427 1999 28846085386.38133 2000 36467072257.69646 2001 35715002865.19451 2002 35921326367.41984 2003 36942829972.34152 2004 38255613860.88418 2005 40158975970.77348 2006 42674418882.732895 2007 47280689280.280556 2008 48458057521.02039 2009 47252741599.398186 2010 52467885291.84785 2011 55800011112.55068 2012 66392834504.41865 2013 71790456956.27748 2014 75229629875.24753 2015 77947479115.31805 2016 79936132279.2968 2017 84776097978.89844 2018 85928301771.8117 2019 84121424844.07863 2020 71994732036.45941 2021 71433225604.75064 2022 76255539504.09346 2023 80433322903.58145