Year current US$ 1965 -4606789.570228413 1966 -697366.60422911 1967 1743253.6085349699 1968 6555108.940331772 1969 10653750.329012878 1970 10399015.094624057 1971 5684657.32043501 1972 7763693.862023633 1973 20601803.162016615 1974 45770497.014615655 1975 54292854.167906225 1976 32890008.222502053 1977 35928072.59252221 1978 44617143.85074328 1979 47116159.73850531 1980 58734600.66261378 1981 81925286.05130878 1982 55697943.303669855 1983 25297969.051695373 1984 38625264.08050691 1985 1839619.8399320499 1986 -12239615.484497197 1987 -236369235.13095456 1988 -168518004.05558825 1989 144027999.59898475 1990 189952409.77260536 1991 76450973.18551987 1992 36023652.37175461 1993 76266727.19581524 1994 4283620.366938645 1995 7214468.472231692 1996 20847139.92582269 1997 -106498285.42690939 1998 470623870.0578341 1999 -57802155.74145375 2000 255184444.70579013 2001 217917551.18811205 2002 148013714.73651475 2003 159782965.31243053 2004 314377506.44590765 2005 3404303.5550257005 2006 141967977.63408402 2007 -157786863.88219196 2008 1081944915.2157552 2009 434568007.1758185 2010 1003047562.9726398 2011 1347842651.7493627 2012 630568619.3029929 2013 -386824751.5034097 2014 -28213553.729393993 2015 181312513.62425798 2016 -369746938.8114547 2017 133144522.92779927 2018 -83557616.56278569 2019 329630089.32706213 2020 762440231.2730474 2021 181814827.43524143 2022 483314740.3120713 2023 904276865.2960511