Year constant 2010 US$ 1960 23499168949.7265 1961 24663113483.1354 1962 25707992303.1163 1963 26654611706.8298 1964 26624543251.5784 1965 26898917905.7462 1966 29908716582.726 1967 30857349499.0678 1968 32059550772.4168 1969 33814931081.8837 1970 33896948162.9483 1971 38324125496.1691 1972 41177004422.3064 1973 38921870278.4628 1974 33348198854.6132 1975 29607629327.6878 1976 29663068042.0572 1977 33752646424.5775 1978 36250610191.4099 1979 38763205483.3424 1980 40460999331.6361 1981 44881196487.7447 1982 39014626093.546 1983 37037356692.426 1984 37188907076.2592 1985 37026215255.8819 1986 38844228800.0582 1987 41038147018.9745 1988 43713070964.4197 1989 47744603090.7406 1990 48701724292.229 1991 52671749861.5656 1992 59373970626.2273 1993 63559050830.1278 1994 68285406200.2254 1995 74554999798.5 1996 81150173538.3732 1997 86939941812.0772 1998 90642868554.6592 1999 90278946439.8063 2000 93695092733.9458 2001 95682104229.2715 2002 97755480456.0557 2003 101481549854.187 2004 109452428948.363 2005 117516168363.856 2006 126055705310.534 2007 134975085590.419 2008 139652470187.032 2009 140701011497.534 2010 153923656611.711 2011 164976021490.872 2012 174303689682.159 2013 181778411961.188 2014 186968487987.416 2015 191785404625.421 2016 198329980920.045 2017 204729011506.773 2018 212310184550.799