Year current US$ 1985 9999.99977648258 1986 9999.99977648258 1987 50000.0007450581 1988 90000.0035762787 1989 59999.9986588955 1990 29999.999329447703 1991 9999.99977648258 1992 9999.99977648258 1996 9999.99977648258 1997 29999.999329447703 2001 140000.000596046 2004 29999.999329447703 2005 29999.999329447703 2006 39999.9991059303 2007 19999.9995529652 2008 39999.9991059303 2009 90000.0035762787 2010 360000.01430511504 2011 340000.00357627904 2012 360000.01430511504 2013 140000.000596046 2015 100000.00149011599 2016 319999.99284744303 2017 180000.00715255702 2018 129999.995231628 2019 289999.99165535 2020 119999.997317791 2021 9999.99977648258 2022 9999.99977648258