Year current US$ 1960 -69999.9965727329 1961 489999.994635582 1962 1269999.9902397401 1963 670000.027865171 1964 1790000.01773238 1965 7079999.99076128 1966 0 1967 59999.9986588955 1968 31840000.5344301 1969 34249999.845400505 1970 19819999.5309114 1971 50770001.2195855 1972 -3090000.0203400897 1973 189999.995753169 1974 -1830000.0354647601 1975 469999.993219972 1976 10459999.883547401 1977 -1130000.05856156 1978 -1210000.06608665 1979 900000.039488077 1980 6389999.9540299205 1981 4049999.99888241 1982 14400000.013411 1983 19720000.3415346 1984 16160000.456497101 1985 18620000.0885874 1986 64439999.67910349 1987 135340002.64108202 1988 121130001.04203801 1989 153070001.414046 1990 72920002.117753 1991 80630002.0180643 1992 294099995.834753 1993 340769993.925467 1994 208239991.346374 1995 33269999.293610502 1996 20779999.634251 1997 -1760000.21584332 1998 14979999.6390939 1999 -1750000.4004687099 2000 -15609999.589622 2001 -9610000.11488795 2002 -26929999.6830523 2003 -20819999.9332428 2004 -24320000.236854 2005 -16669999.5957315 2006 -18780001.282692 2007 31620000.500232 2008 -15630000.513046999 2009 -37560000.4661828 2010 -38549998.9707023 2011 -33970000.4104525 2012 -11910000.0765175 2013 10460000.8092821 2014 6780000.01423061 2015 970000.22791326 2016 -4419999.81366098 2017 4149999.7936189203 2018 18249999.3480742 2019 11449999.5466322 2020 24890001.473948397 2021 -5669999.9794364 2022 -13920000.990852667