Year current US$ 1977 9999.99977648258 1984 79999.9982118607 1985 50000.0007450581 1986 59999.9986588955 1987 70000.0002980232 1988 19999.9995529652 1989 70000.0002980232 1991 29999.999329447703 1992 59999.9986588955 1993 189999.99761581398 1994 209999.993443489 1995 29999.999329447703 2001 9999.99977648258 2006 9999.99977648258 2007 50000.0007450581 2011 90000.0035762787 2012 949999.988079071 2013 850000.023841858 2014 180000.00715255702 2015 330000.013113022 2016 180000.00715255702 2017 2200000.04768372 2018 70000.0002980232 2019 39999.9991059303 2020 9999.99977648258 2021 9999.99977648258 2022 9999.99977648258