Year current US$ 1974 4179999.8283386203 1975 5599999.90463257 1976 3829999.92370605 1977 769999.980926514 1978 790000.021457672 1979 1509999.9904632599 1980 2109999.89509583 1981 2970000.02861023 1982 1659999.9666214 1983 2930000.0667572 1984 400000.00596046395 1985 689999.997615814 1986 779999.971389771 1987 1830000.04291534 1988 1500000 1989 5449999.80926514 1990 3230000.01907349 1991 610000.014305115 1992 1500000 1993 3690000.05722046 1994 4699999.80926514 1995 1019999.98092651 1996 -1000000 1997 2220000.02861023 1998 -8220000.26702881 1999 -400000.00596046395 2000 -209999.993443489 2001 -500000 2002 -660000.026226044 2003 200000.00298023198 2004 -27579999.9237061 2005 159999.99642372102 2007 39999.9991059303 2008 70000.0002980232 2009 9999.99977648258 2010 19999.9995529652 2011 370000.00476837205 2012 250000 2013 159999.99642372102 2014 310000.002384186 2015 270000.010728836 2016 59999.9986588955 2017 150000.005960464 2018 100000.00149011599 2019 720000.028610229 2020 509999.99046325695 2021 419999.986886978 2022 140000.000596046