Year current US$ 1976 79999.9982118607 1977 50000.0007450581 1978 200000.00298023198 1979 50000.0007450581 1980 19999.9995529652 1981 9999.99977648258 1982 9999.99977648258 1990 9999.99977648258 2000 9999.99977648258 2001 9999.99977648258 2002 9999.99977648258 2005 109999.999403954 2006 90000.0035762787 2007 59999.9986588955 2008 50000.0007450581 2009 59999.9986588955 2010 50000.0007450581 2015 100000.00149011599 2016 170000.00178813902 2017 159999.99642372102 2018 100000.00149011599 2019 39999.9991059303 2020 50000.0007450581 2021 50000.0007450581 2022 9999.99977648258