Year current US$ 1970 6807541.726766949 1971 8699356.743646525 1972 5637038.703870387 1973 8473402.397858225 1974 -6767346.029624679 1975 47495146.71426978 1976 83400484.70160563 1977 71201382.53532581 1978 128747131.55842708 1979 203379401.1976048 1980 239233532.18990803 1981 233370226.4653641 1982 190835104.1666667 1983 175509480.7902313 1984 151008660.0242108 1985 137064696.19326502 1986 221824120.60301507 1987 320103752.4850895 1988 380162060.46451277 1989 397821138.21138215 1990 504796974.1996488 1991 568815803.4528552 1992 626126934.9845201 1993 558100393.0376194 1994 625956264.9096899 1995 761527237.3540856 1996 648131252.9776083 1997 705314203.0919808 1998 772390319.3723063 1999 773110202.3245803 2000 764412268.7929261 2001 675931844.5067159 2002 905574526.9581431 2003 1089109067.2872198 2004 1075579149.688802 2005 1106311133.6777384 2006 1122822506.731426 2007 1563642905.4564474 2008 1845413452.0025773 2009 1663249380.889775 2010 2018018807.5611186 2011 1845909929.4249701 2012 1960376475.679216 2013 2510145352.3964696 2014 3214296535.7283363 2015 3760706771.7317853 2016 4182516436.0403404 2017 5385719886.872287 2018 5940348270.519512 2019 6247207665.5564575 2020 5509477534.68698 2021 7088385640.233048 2022 7218550385.896837 2023 8155563429.739197