Year current US$ 1974 39999.9991059303 1975 140000.000596046 1976 79999.9982118607 1982 9999.99977648258 1984 39999.9991059303 1985 19999.9995529652 1986 29999.999329447703 1987 59999.9986588955 1988 59999.9986588955 1989 59999.9986588955 1990 39999.9991059303 1991 39999.9991059303 1992 100000.00149011599 1993 189999.99761581398 1994 349999.99403953605 1995 150000.005960464 1996 100000.00149011599 1997 90000.0035762787 1998 129999.995231628 1999 140000.000596046 2000 170000.00178813902 2001 140000.000596046 2002 79999.9982118607 2003 70000.0002980232 2004 70000.0002980232 2005 29999.999329447703 2006 39999.9991059303 2007 19999.9995529652 2008 19999.9995529652 2009 39999.9991059303 2010 109999.999403954 2011 129999.995231628 2012 19999.9995529652 2013 100000.00149011599 2014 39999.9991059303 2015 19999.9995529652 2016 29999.999329447703 2017 50000.0007450581 2018 29999.999329447703 2019 79999.9982118607 2020 79999.9982118607 2021 109999.999403954 2022 19999.9995529652