Year current US$ 1974 19999.9995529652 1975 29999.999329447703 1976 29999.999329447703 1979 9999.99977648258 1980 9999.99977648258 1982 9999.99977648258 1983 9999.99977648258 1986 9999.99977648258 1987 129999.995231628 1988 150000.005960464 1989 9999.99977648258 1990 50000.0007450581 1991 70000.0002980232 1992 90000.0035762787 1993 59999.9986588955 1994 39999.9991059303 1995 39999.9991059303 1996 39999.9991059303 1997 29999.999329447703 1998 50000.0007450581 1999 70000.0002980232 2000 70000.0002980232 2001 129999.995231628 2002 140000.000596046 2003 140000.000596046 2004 19999.9995529652 2005 29999.999329447703 2006 109999.999403954 2010 79999.9982118607 2011 90000.0035762787 2012 79999.9982118607 2013 39999.9991059303 2014 90000.0035762787