Year constant 2010 US$ 1960 1945330788.57498 1961 2100238643.82677 1962 2213193910.98374 1963 2128351440.9098 1964 2209621273.81344 1965 2289635900.56233 1966 2321210061.11609 1967 2385570768.15538 1968 2558077676.13431 1969 2739427541.60649 1970 2897572737.46007 1971 3130904039.03402 1972 3425844459.50913 1973 3613936698.91727 1974 3938081430.72894 1975 4216396918.76206 1976 4221718905.52812 1977 3844655948.26749 1978 4055416071.87944 1979 4383585671.86328 1980 5024561370.30644 1981 6136502104.65175 1982 7435406211.60489 1983 7689257210.54905 1984 8469792298.19692 1985 8406746013.68239 1986 8478985840.68072 1987 8494377685.04089 1988 7684841573.50515 1989 7715011201.14512 1990 7341034079.33655 1991 7652399562.31797 1992 8186371070.37707 1993 7574399178.43999 1994 7554653822.79217 1995 5646420224.32866 1996 5843347944.56684 1997 6701801019.52294 1998 7966908745.14131 1999 6388715256.71704 2000 5810718217.78038 2001 6706715817.61197 2002 6994916887.07489 2003 6997214084.3774 2004 6611559543.55076 2005 5618164174.87796 2006 5221231687.92186 2007 6325949066.7763 2008 7557680831.63269 2009 8790510041.89631 2010 9024206656.07327 2011 9108985480.81683 2012 11149513881.2905 2013 12308447213.8082 2014 14671321052.616 2015 19317406178.8388 2016 17564465731.3935 2017 16165751590.3391 2018 15866454155.8365