Year current US$ 1977 9999.99977648258 1980 50000.0007450581 1981 49999.99888241288 1982 89999.99798834328 1983 70000.0002980232 1984 310000.0116974116 1985 129999.99895691921 1986 79999.99821186063 1987 150000.005960464 1988 250000 1989 280000.001192093 1990 400000.00596046395 1991 330000.013113022 1992 170000.00178813902 1999 39999.9991059303 2008 19999.9995529652 2009 19999.9995529652 2010 89999.99985098839 2011 79999.9982118607 2012 99999.9996274709 2013 209999.9934434887 2014 129999.995231628 2019 19999.9995529652 2021 9999.99977648258