Year current US$ 1960 82700000 1961 86200000 1962 84000000 1963 84500000 1964 122300000 1965 139400000 1966 179700000 1967 181904000 1968 255381000 1969 237154000 1970 318383000 1971 381763000 1972 402909000 1973 488486000 1974 812828000 1975 842523000 1976 656066000 1977 729608000 1978 1118273000 1979 1079547000 1980 1226595000 1981 1175763000 1982 1131014000 1983 796614000 1984 847260000 1985 1028041999.9999999 1986 779839000 1987 811846000 1988 822876000 1989 780995000 1990 1021542968 1991 1231403420 1992 1551974552 1993 1463365973 1994 1534545060 1995 1879162200 1996 1787256414 1997 1408836159 1998 1571354373 1999 1660358161 2000 1520295642 2001 1779787901 2002 1751008145 2003 2177357010 2004 2571541940 2005 3265354057 2006 4552290431 2007 5951155549 2008 8130369548 2009 6569099285 2010 8060476741 2011 11249243170 2012 11783902522 2013 12605109081 2014 12759447322 2015 14767579348 2016 7921020456 2017 10001367029 2018 8516183845 2019 9054672382 2020 8516524616.000001