Year current US$ 1969 19999.9995529652 1973 19999.9995529652 1974 109999.999403954 1975 129999.995231628 1976 119999.997317791 1977 90000.0035762787 1978 90000.0035762787 1979 109999.999403954 1980 29999.999329447703 1981 79999.9982118607 1982 90000.0035762787 1983 9199999.80926514 1984 4550000.19073486 1985 25090000.1525879 1986 24270000.4577637 1987 7329999.92370605 1988 25059999.4659424 1989 12420000.076293899 1990 8939999.5803833 1991 2609999.89509583 1992 1740000.0095367401 1993 1000000 1994 90000.0035762787 1995 560000.002384186 1996 5099999.90463257 1997 209999.993443489 1998 79999.9982118607 1999 670000.016689301 2000 379999.99523162795 2001 460000.00834465 2002 2210000.03814697 2003 39999.9991059303 2004 1159999.9666214 2005 100000.00149011599 2006 449999.988079071 2007 759999.990463257 2008 1600000.02384186 2009 1129999.99523163 2010 560000.002384186 2011 1200000.04768372 2012 660000.026226044 2013 479999.989271164 2014 230000.004172325 2015 790000.021457672 2016 270000.010728836 2017 12750000 2018 4099999.90463257 2019 2859999.89509583 2020 1830000.04291534 2021 5340000.15258789 2022 2950000.04768372