Year current US$ 1990 29999.999329447703 1991 70000.0002980232 1992 349999.99403953605 1993 189999.99761581398 1994 280000.001192093 1995 479999.989271164 1996 330000.013113022 1997 419999.986886978 1998 349999.99403953605 1999 70000.0002980232 2000 270000.010728836 2001 300000.011920929 2002 519999.980926514 2003 540000.021457672 2004 1019999.98092651 2005 250000 2006 100000.00149011599 2007 740000.009536743 2008 790000.021457672 2009 330000.013113022 2014 90000.0035762787 2015 59999.9986588955 2016 100000.00149011599 2017 129999.995231628 2018 29999.999329447703 2019 19999.9995529652 2020 0 2021 460000.00834465 2022 400000.00596046395