Year current US$ 1966 79999.9982118607 1967 -29999.999329447703 1976 19999.9995529652 1977 19999.9995529652 1978 19999.9995529652 1979 100000.00149011599 1980 29999.999329447703 1981 19999.9995529652 1982 9999.99977648258 1983 9999.99977648258 1984 9999.99977648258 1986 9999.99977648258 1987 19999.9995529652 1988 9999.99977648258 1990 19999.9995529652 1991 29999.999329447703 1992 39999.9991059303 1993 39999.9991059303 1994 19999.9995529652 1995 39999.9991059303 1996 29999.999329447703 1997 9999.99977648258 1998 9999.99977648258 1999 29999.999329447703 2002 9999.99977648258 2003 9999.99977648258 2004 9999.99977648258 2007 9999.99977648258 2008 19999.9995529652 2009 9999.99977648258 2010 19999.9995529652 2011 29999.999329447703 2012 39999.9991059303 2013 29999.999329447703 2014 29999.999329447703 2015 39999.9991059303 2016 59999.9986588955 2017 70000.0002980232 2018 50000.0007450581 2019 50000.0007450581 2020 39999.9991059303 2021 19999.9995529652 2022 39999.9991059303