Year constant 2015 US$ 1960 2476036917.224811 1961 2408372904.7336893 1962 3075012648.8480062 1963 3182190415.1177793 1964 3250891453.808403 1965 3596963927.1754084 1966 3672257185.928334 1967 4163215805.6317577 1968 4438482112.915804 1969 3823108064.075888 1970 5652648367.914532 1971 4539461197.9176 1972 4386499122.390151 1973 6715901121.701888 1974 10238573617.06355 1975 5669799819.20341 1976 7300642141.787952 1977 10141484757.882101 1978 10971139085.606071 1979 11341279507.79082 1980 12127755283.684982 1981 13957901445.860622 1982 18113234793.85706 1983 19353618006.326466 1984 21403115549.530987 1985 13023575836.76482 1986 13079870754.890415 1987 13288692299.104797 1988 17520460373.258797 1989 19767170118.55606 1990 21429614584.838684 1991 31843147038.505238 1992 27614208778.71019 1993 37780647211.338684 1994 39383304339.98874 1995 52667911792.97676 1996 52522382699.8582 1997 61361341023.696365 1998 34827567728.948 1999 35845496626.03502 2000 49343777381.29927 2001 37181135190.580246 2002 47604614525.07672 2003 42414053407.84034 2004 48815482394.80076 2005 39482681473.84172 2006 45524435090.66971 2007 50013985989.99256 2008 50107369131.7923 2009 35278947836.0484 2010 61049781512.91489 2011 61064701827.73294 2012 71103925367.69997 2013 68341441978.91483 2014 65484514916.67892 2015 76617356472.7023 2016 80012243777.61174 2017 85040321147.59361 2018 83706378501.6697 2019 80566795391.31285 2020 70851724519.35657 2021 76313429235.84058 2022 81751557933.51622 2023 85353284629.294