Year current US$ 1965 571428.5714285714 1966 14095238.095238095 1967 16952380.95238095 1968 17523809.523809522 1969 10476190.476190476 1970 9142857.142857142 1971 27537831.0515818 1972 66026247.005238086 1973 21347451.114336945 1974 179607246.6025823 1975 99187852.8440066 1976 69033875.57576817 1977 -5827505.827505828 1978 -16820009.082804903 1979 -78974172.24734415 1980 92615460.60755743 1981 112392771.22097026 1982 -187408898.45214134 1983 137602446.78954634 1984 311521266.4755488 1985 170282421.9648746 1986 145334742.1819606 1987 180290637.19586515 1988 16553898.093270723 1989 143365626.5899522 1990 332727272.72727275 1991 254130434.7826087 1992 308333135.4664514 1993 164484499.00472432 1994 -377142495.6057709 1995 96436502.06196469 1996 356376771.09701174 1997 163304723.3585434 1998 192495993.32586884 1999 60865350.16544078 2000 157220889.1479649 2001 188501806.82318157 2002 -220435201.26493514 2003 116107781.54972842 2004 365806560.91249305 2005 74069335.37223117 2006 297665333.1079432 2007 248642455.89444947 2008 849983199.988313 2009 -19477513.83977338 2010 -79261771.69204974 2011 927046213.7985755 2012 1060150573.7912736 2013 271564846.2630289 2014 1169305079.0051098 2015 346804307.65309376 2016 -10009157.214996232 2017 526323403.2879713 2018 1435432909.927095 2019 -8383220.881171933 2020 -1381829767.0495718 2021 -778431092.5840241 2022 746368643.1124996 2023 -1654124690.2056713