Year current US$ 1960 -129999.995231628 1961 -109999.999403954 1962 1259999.9904632599 1963 720000.028610229 1964 1980000.01907349 1965 5519999.98092651 1967 9999.99977648258 1968 31690000.5340576 1969 34159999.8474121 1970 18729999.5422363 1971 50720001.220703095 1972 -3230000.01907349 1973 19999.9995529652 1974 -1970000.02861023 1975 239999.994635582 1976 10369999.8855591 1977 -1700000.04768372 1978 -2200000.04768372 1979 -1429999.94754791 1980 3269999.98092651 1981 -1929999.94754791 1982 -1269999.98092651 1983 4380000.11444092 1984 1700000.04768372 1985 1220000.02861023 1986 11840000.1525879 1987 19430000.3051758 1988 1299999.95231628 1989 17479999.5422363 1990 9840000.15258789 1991 14310000.4196167 1992 12470000.2670288 1993 72050003.0517578 1994 39509998.3215332 1995 16629999.160766602 1996 670000.016689301 1997 -490000.009536743 1998 -1830000.04291534 1999 1100000.02384186 2000 1269999.98092651 2001 939999.997615814 2002 2329999.92370605 2003 3339999.91416931 2004 -16420000.076293899 2005 3349999.90463257 2006 -25309999.4659424 2007 -16950000.762939498 2008 -19450000.762939498 2009 -16270000.4577637 2010 -14409999.8474121 2011 -13399999.6185303 2012 -11439999.5803833 2013 -529999.971389771 2014 -230000.004172325 2015 -689999.997615814 2016 -860000.014305115 2017 -560000.002384186 2018 1090000.0333786 2019 -140000.000596046 2020 129999.995231628 2021 750000 2022 689999.997615814