Year current US$ 1980 9999.99977648258 1987 9999.99977648258 1990 9999.99977648258 1992 189999.99761581398 1993 300000.011920929 1994 379999.99523162795 1995 409999.99642372096 1996 460000.00834465 1997 100000.00149011599 1998 140000.000596046 1999 70000.0002980232 2000 209999.993443489 2001 159999.99642372102 2002 740000.009536743 2003 129999.995231628 2004 230000.004172325 2005 280000.001192093 2006 270000.010728836 2007 270000.010728836 2008 560000.002384186 2009 219999.998807907 2010 219999.998807907 2011 289999.99165535 2012 159999.99642372102 2013 250000 2014 250000 2015 360000.01430511504 2016 280000.001192093 2017 259999.990463257 2018 70000.0002980232 2019 100000.00149011599 2020 100000.00149011599 2021 59999.9986588955