Year constant 2015 US$ 1970 44165629843.959885 1971 46604691536.63324 1972 47873638524.336044 1973 49581316523.71602 1974 51056856463.78008 1975 53758313526.91948 1976 56959388240.15705 1977 60532727084.84031 1978 59570073369.84599 1979 62072129792.29096 1980 63357073473.1838 1981 63548537769.969986 1982 64261196651.854866 1983 65533739795.39109 1984 67625338431.33198 1985 73863924770.07332 1986 77593510385.44998 1987 77114601632.73737 1988 75486287072.43976 1989 75024987082.77354 1990 75544569598.01587 1991 77119189831.55933 1992 78942440839.10298 1993 80735062519.3758 1994 83475829285.93567 1995 86491143949.57109 1996 91960152939.96068 1997 94830009300.40295 1998 97512493541.38673 1999 101153787330.78427 2000 105372574144.87955 2001 107546264338.12125 2002 110918838483.00085 2003 114460059935.93048 2004 120697406220.93617 2005 126011408494.36803 2006 132262023354.34528 2007 139281099514.3122 2008 141617608763.0463 2009 141660514622.3002 2010 147057352485.27426 2011 150534711170.81732 2012 155807543660.22522 2013 160187661465.3301 2014 163505673245.84058 2015 167936509248.73404 2016 169823002996.79645 2017 173624883744.9622 2018 176113423581.68848 2019 177914229616.61664 2020 166846254004.34012 2021 175351286555.75067 2022 186256939134.02908 2023 184922248113.82584