Year current US$ 1975 9999.99977648258 1976 9999.99977648258 1979 9999.99977648258 1980 180000.00715255702 1981 340000.00357627904 1982 90000.0035762787 1983 119999.997317791 1984 70000.0002980232 1985 170000.00178813902 1986 70000.0002980232 1987 180000.00715255702 1988 150000.005960464 1989 379999.99523162795 1990 779999.971389771 1991 839999.973773956 1992 1259999.9904632599 1993 1009999.99046326 1994 1009999.99046326 1995 1240000.0095367401 1996 870000.004768372 1997 1190000.0572204601 1998 1230000.01907349 1999 779999.971389771 2000 769999.980926514 2001 579999.983310699 2002 639999.985694885 2003 670000.016689301 2004 620000.004768372 2005 819999.992847443 2006 740000.009536743 2007 870000.004768372 2008 699999.988079071 2009 759999.990463257 2010 469999.998807907 2011 449999.988079071 2012 345424.324274063 2013 531728.625297546 2014 797815.978527069 2015 1070004.2247772198 2016 1199306.48803711 2017 1166000.00858307 2018 983416.020870209 2019 1707000.01716614 2020 859000.027179718 2021 683000.028133392 2022 750000