Year current US$ 1990 270000.010728836 1991 79999.9982118607 1992 129999.995231628 1993 129999.995231628 1994 170000.00178813902 1995 140000.000596046 1996 129999.995231628 1997 70000.0002980232 1998 109999.999403954 1999 19999.9995529652 2002 490000.009536743 2003 19999.9995529652 2004 1250000 2005 579999.983310699 2006 19999.9995529652 2007 550000.011920929 2008 19999.9995529652 2009 419999.986886978 2010 509999.99046325695 2011 319999.99284744303 2012 70000.0002980232 2013 79999.9982118607 2014 159999.99642372102 2015 59999.9986588955 2016 90000.0035762787 2017 70000.0002980232 2018 79999.9982118607 2019 109999.999403954 2020 180000.00715255702 2021 140000.000596046 2022 119999.997317791