Year current US$ 1981 70000.0002980232 1982 100000.00149011599 1990 29999.999329447703 1991 2410000.08583069 1993 319999.99284744303 1994 1080000.04291534 1995 189999.99761581398 1996 1519999.98092651 1997 109999.999403954 1998 70000.0002980232 1999 289999.99165535 2000 579999.983310699 2001 270000.010728836 2002 90000.0035762787 2003 150000.005960464 2004 150000.005960464 2005 360000.01430511504 2006 660000.026226044 2007 829999.983310699 2008 750000 2009 379999.99523162795 2010 340000.00357627904 2011 14229999.5422363 2012 689999.997615814 2013 699999.988079071 2014 1299999.95231628 2015 1269999.98092651 2016 1480000.01907349 2017 1169999.95708466 2018 1419999.95708466 2019 730000.019073486 2020 750000 2021 2400000.09536743 2022 2059999.94277954