Year current US$ 1966 19999.9995529652 1967 -19999.9995529652 1975 9999.99977648258 1976 39999.9991059303 1977 50000.0007450581 1978 50000.0007450581 1979 19999.9995529652 1982 9999.99977648258 1983 9999.99977648258 1984 119999.997317791 1985 189999.99761581398 1986 289999.99165535 1987 479999.989271164 1988 3680000.0667572 1989 2930000.0667572 1990 9699999.80926514 1991 1750000 1992 1750000 1993 2380000.1144409203 1994 1509999.9904632599 1995 1429999.94754791 1996 1580000.04291534 1997 100000.00149011599 1998 930000.007152557 1999 1220000.02861023 2000 1200000.04768372 2001 490000.009536743 2002 949999.988079071 2003 1240000.0095367401 2004 720000.028610229 2005 1179999.94754791 2006 479999.989271164 2007 730000.019073486 2008 600000.023841858 2009 379999.99523162795 2010 439999.997615814 2011 860000.014305115 2012 239999.994635582 2013 170000.00178813902 2014 70000.0002980232 2015 19999.9995529652 2016 29999.999329447703 2017 29999.999329447703 2018 39999.9991059303 2019 39999.9991059303 2020 90000.0035762787 2021 109999.999403954 2022 79999.9982118607