Year current US$ 1990 79999.9982118607 1991 370000.00476837205 1992 340000.00357627904 1993 9999.99977648258 1994 9999.99977648258 1995 600000.023841858 1997 759999.990463257 1998 689999.997615814 1999 360000.01430511504 2000 349999.99403953605 2001 569999.992847443 2002 870000.004768372 2003 119999.997317791 2004 629999.995231628 2005 360000.01430511504 2006 600000.023841858 2007 209999.993443489 2008 740000.009536743 2009 239999.994635582 2010 349999.99403953605 2011 600000.023841858 2012 400000.00596046395 2013 810000.002384186 2014 699999.988079071 2015 720000.028610229 2016 629999.995231628 2017 540000.021457672 2018 560000.002384186 2019 490000.009536743 2020 379999.99523162795 2021 340000.00357627904 2022 779999.971389771