Year current US$ 1974 270000.010728836 1975 9999.99977648258 1976 19999.9995529652 1977 59999.9986588955 1978 119999.997317791 1979 19999.9995529652 1980 19999.9995529652 1981 9999.99977648258 1982 9999.99977648258 1983 9999.99977648258 1984 19999.9995529652 1985 19999.9995529652 1986 29999.999329447703 1987 39999.9991059303 1988 29999.999329447703 1989 39999.9991059303 1990 70000.0002980232 1991 39999.9991059303 1992 50000.0007450581 1993 29999.999329447703 1994 39999.9991059303 1995 29999.999329447703 1996 29999.999329447703 1997 29999.999329447703 1998 59999.9986588955 1999 39999.9991059303 2000 50000.0007450581 2001 39999.9991059303 2002 29999.999329447703 2003 19999.9995529652 2004 39999.9991059303 2005 59999.9986588955 2006 409999.99642372096 2007 9999.99977648258 2008 159999.99642372102 2009 19999.9995529652 2010 39999.9991059303 2011 219999.998807907 2012 50000.0007450581 2013 490000.009536743 2014 59999.9986588955 2015 29999.999329447703 2016 109999.999403954 2017 660000.026226044 2018 9999.99977648258 2019 0 2020 9999.99977648258 2021 90000.0035762787