Year current US$ 1960 -1820000.05245209 1961 -579999.983310699 1962 340000.00357627904 1963 7719999.79019165 1964 9199999.80926514 1965 19790000.915527303 1966 19280000.6866455 1967 16440000.534057599 1968 12430000.3051758 1969 5530000.20980835 1970 10239999.7711182 1971 10069999.6948242 1972 9500000 1973 -2269999.98092651 1974 -4769999.98092651 1975 -2099999.90463257 1976 -3089999.91416931 1977 2180000.0667572 1978 -810000.002384186 1979 -4849999.90463257 1980 18690000.5340576 1981 46169998.1689453 1982 24420000.0762939 1983 4230000.01907349 1984 -3430000.0667572 1985 7360000.1335144 1986 -1049999.95231628 1987 -3150000.09536743 1988 -12250000 1989 -7400000.09536743 1990 -8210000.038146971 1991 14680000.3051758 1992 3839999.91416931 1993 13159999.8474121 1994 20680000.3051758 1995 -90000.0035762787 1996 2180000.0667572 1997 1700000.04768372 1998 1269999.98092651 1999 2299999.95231628 2000 540000.021457672 2001 -219999.998807907 2002 -709999.978542328 2003 -1850000.02384186 2004 -3700000.04768372 2005 -1070000.05245209 2006 -1419999.95708466 2007 1409999.9666214 2008 4550000.19073486 2009 2230000.01907349 2010 3750000 2011 5510000.228881841 2012 13659999.8474121 2013 8529999.73297119 2014 13970000.2670288 2015 9609999.65667725 2016 128899993.896484 2017 177580001.831055 2018 96629997.253418 2019 71650001.5258789 2020 66910003.662109405 2021 52090000.1525879 2022 37040000.9155273