Year constant 2010 US$ 1960 1638593484.63716 1961 1844104561.26923 1962 2140831792.46917 1963 2515587200.82978 1964 2481518507.294 1965 2817809339.91622 1966 3098051737.19021 1967 3336532481.67418 1968 3444233470.16799 1969 3970649460.91377 1970 4356394795.31381 1971 4819468004.66542 1972 5167030824.9002 1973 5104118854.51707 1974 5717768175.74104 1975 5448587598.23038 1976 5162905426.29371 1977 4963856184.02771 1978 5704360768.10298 1979 5859062278.58185 1980 6953317725.66843 1981 6363892178.73334 1982 5946417894.55052 1983 5060835414.48281 1984 5193366973.52701 1985 7374360121.83124 1986 7860988780.53242 1987 6716290182.69824 1988 5155816286.10686 1989 6552494777.74753 1990 7646559574.14609 1991 11193137320.6868 1992 10531159311.0002 1993 9535643555.67898 1994 9209921948.47116 1995 10035185525.4186 1996 10834156009.6103 1997 11589507788.1477 1998 12491234436.0336 1999 10661051634.8832 2000 11760632156.3691 2001 11249238846.4113 2002 11326739840.2122 2003 10927638113.8441 2004 12496608633.5065 2005 13890919111.9943 2006 14966881672.796 2007 17616057412.5443 2008 21782431960.9598 2009 19342656338.0227 2010 23031700000 2011 26671578248.2551 2012 29699673986.8313 2013 29466165170.1719 2014 28302645275.0982 2015 28265368584.1847 2016 26699112167.6797 2017 28104033477.416