Year current US$ 1970 359900551.902135 1971 437130098.683012 1972 514283278.972987 1973 631397578.09245 1974 721071028.638928 1975 823574370.505811 1976 871738578.46649 1977 898043815.751406 1978 1155193782.85714 1979 1248765415.0685 1980 1484387350 1981 1462393599.03614 1982 1561647123.7647 1983 1459526003.2596 1984 1604582879.90893 1985 1550199849.32853 1986 1757272157.42741 1987 1754744602.06028 1988 1754522361.47757 1989 1702399237.21645 1990 1710131276.72873 1991 1646521347.48192 1992 1566790667.02703 1993 1518743018.10811 1994 1588987598.10811 1995 1517750702.41287 1996 1201703866.3 1997 1516810721.4356 1998 1793705632.18191 1999 2001445585.60914 2000 2179886800 2001 2341527880 2002 2684557852.68 2003 3026932967.77504 2004 3375994067.95 2005 3860777457.59 2006 3914186370.37037 2007 6244788333.33334 2008 7751045472.22222 2009 7425916574.07408 2010 7576638518.51851 2011 8837172600 2012 9386194600 2013 9917002600 2014 10356233210 2015 11190421400 2016 11720188600 2017 12424159700 2018 12824607500 2019 13253781380