Year constant 2010 US$ 1960 2969257086.44693 1961 3492032527.65434 1962 3521722114.64071 1963 3787287264.56915 1964 3984223218.44866 1965 4752870214.19655 1966 4761075878.94152 1967 5013362771.37352 1968 5319359469.40903 1969 5555085838.44663 1970 6100687947.03553 1971 6170063112.60673 1972 6455023470.1142 1973 6722080559.08716 1974 7063734600.28722 1975 7217105934.0661 1976 7517880845.44571 1977 8543141356.85477 1978 9257034189.66799 1979 9478736331.68689 1980 9306715759.85123 1981 8512556606.44167 1982 7695421591.74617 1983 8126293587.80982 1984 8715311122.59489 1985 9090235404.48822 1986 9567655898.74157 1987 9924527718.19595 1988 10137875001.5654 1989 10657666564.6837 1990 11099280521.8681 1991 10993651237.5145 1992 12047475720.2387 1993 13181390824.4296 1994 13853088498.7876 1995 14149067597.0467 1996 14406958862.5815 1997 15100932988.1705 1998 15783498933.2418 1999 16009343042.6028 2000 16158335856.789 2001 16545503633.7938 2002 17209211328.9344 2003 17891240398.8382 2004 18347179932.5818 2005 19227928811.8598 2006 20207605265.2249 2007 21750137045.1338 2008 23018688067.7655 2009 23236424386.286 2010 24373167320.3365 2011 25891878884.8271 2012 27481895574.7501 2013 28285145679.2928 2014 29459054347.4769 2015 30820501158.3135 2016 32041075708.6478 2017 32935010749.2099 2018 33655780500.8599