Year current US$ 1990 19999.9995529652 1991 19999.9995529652 1992 109999.999403954 1993 119999.997317791 1994 150000.005960464 1995 39999.9991059303 1996 150000.005960464 1997 490000.009536743 1999 319999.99284744303 2000 209999.993443489 2001 310000.002384186 2002 340000.00357627904 2003 579999.983310699 2004 629999.995231628 2005 100000.00149011599 2006 1429999.94754791 2007 360000.01430511504 2008 490000.009536743 2009 319999.99284744303 2010 180000.00715255702 2011 1100000.02384186 2012 330000.013113022 2013 1049999.95231628 2014 899999.976158142 2015 680000.007152557 2016 460000.00834465 2017 769999.980926514 2018 980000.019073486 2019 970000.028610229 2020 860000.014305115 2021 699999.988079071 2022 899999.976158142