Year constant 2010 US$ 1967 754540661.835311 1968 772945367.511999 1969 732042115.110059 1970 789300535.021005 1971 807700088.260866 1972 819971637.041939 1973 730002799.26301 1974 682966390.559363 1975 850642655.915948 1976 973331968.480502 1977 1051039479.79899 1978 971297723.111166 1979 1126697452.35589 1980 1285399683.36312 1981 1330881769.26895 1982 1175747193.49224 1983 1101028347.94313 1984 1012753676.88582 1985 1309057408.70203 1986 1291320553.68487 1987 1322875349.54895 1988 1631993210.16244 1989 1631179455.35602 1990 1526811912.3791 1991 1775619345.09326 1992 1557558917.15001 1993 1701314559.95089 1994 1888992363.83566 1995 1825333321.48264 1996 1867866426.75597 1997 1870782269.47811 1998 2075365079.61471 1999 2235922638.65441 2000 1997009327.83917 2001 2224375074.50731 2002 2142072192.94918 2003 2453931602.51092 2004 2398535187.9245 2005 2580152289.14488 2006 2688038798.59118 2007 2778372075.8793 2008 3095578045.3949 2009 3192168573.69295 2010 3525784560.96286 2011 3478559934.04782 2012 3763078021.77884 2013 3682637360.24248 2014 4004869137.67629 2015 4282174268.78343 2016 4607190581.53228 2017 4828335729.54323 2018 5109981399.81589