Year current US$ 1966 9999.99977648258 1967 19999.9995529652 1969 9999.99977648258 1971 9999.99977648258 1972 19999.9995529652 1973 90000.0035762787 1974 100000.00149011599 1975 230000.004172325 1976 219999.998807907 1977 289999.99165535 1978 430000.00715255697 1979 569999.992847443 1980 629999.995231628 1981 439999.997615814 1982 5719999.79019165 1983 1950000.04768372 1984 280000.001192093 1985 70000.0002980232 1986 319999.99284744303 1987 449999.988079071 1988 879999.995231628 1989 370000.00476837205 1990 889999.985694885 1991 819999.992847443 1992 560000.002384186 1993 -140000.000596046 1994 360000.01430511504 1995 250000 1996 39999.9991059303 1997 -79999.9982118607 1998 -19999.9995529652 1999 109999.999403954 2000 -9999.99977648258 2001 50000.0007450581 2002 -230000.004172325 2003 -360000.01430511504 2004 -509999.99046325695 2005 -219999.998807907 2006 -419999.986886978 2007 -230000.004172325 2008 70000.0002980232 2009 39999.9991059303 2010 9999.99977648258 2011 50000.0007450581 2012 119999.997317791 2013 119999.997317791 2014 250000 2015 750000 2016 159999.99642372102 2017 389999.98569488496 2018 1080000.04291534 2019 740000.009536743 2020 959999.978542328 2021 1139999.98569489 2022 569999.992847443