Year current US$ 1966 129166200.28868386 1967 57122777.255919114 1968 133380266.66666667 1969 267617066.66666666 1970 258467066.66666666 1971 234183375.30129403 1972 206404673.85204265 1973 563833374.6590627 1974 718134013.6835715 1975 58119278.82774703 1976 543922911.497105 1977 482850313.1663113 1978 81518333.15199652 1979 550390229.9942976 1980 -233536968.36352667 1981 -128604177.78027347 1982 235315395.32427633 1983 143364570.80371788 1984 941198366.259197 1985 896899984.9005324 1986 1057153133.1108639 1987 -390587254.94495857 1988 245147589.69026223 1989 623897020.6013515 1990 527953171.9613483 1991 50030641.75721098 1992 389526846.8050562 1993 -975660482.1172442 1994 676841964.5945351 1995 2241491682.136227 1996 860842430.1998724 1997 2163804224.39246 1998 1927392102.43553 1999 -57322754.50818497 2000 1385379619.2055027 2001 859865189.5996538 2002 1257785602.9994807 2003 484910666.8488243 2004 2585658393.28337 2005 2732141272.9910455 2006 2901194255.7341766 2007 5636015210.243033 2008 3675500872.8742085 2009 -3471119588.128859 2010 -121208020.8745438 2011 3332470720.9674425 2012 2253042057.1566014 2013 2193490263.427211 2014 3273537482.0340414 2015 2362594994.04176 2016 2350319546.271666 2017 2747812015.2151713 2018 3111613648.2360854 2019 2121371054.7108114 2020 1227603050.0918312 2021 7595605546.355305 2022 8565838633.455417 2023 985333098.9873044