Year current US$ 1979 519999.980926514 1981 3000000 1982 1779999.97138977 1983 1299999.95231628 1984 540000.021457672 1985 500000 1986 839999.973773956 1987 340000.00357627904 1988 3279999.97138977 1989 790000.021457672 1990 769999.980926514 1991 839999.973773956 1992 959999.978542328 1993 1049999.95231628 1994 460000.00834465 1995 1309999.9427795399 1996 730000.019073486 1997 140000.000596046 1998 79999.9982118607 1999 119999.997317791 2000 1279999.97138977 2001 70000.0002980232 2002 150000.005960464 2003 140000.000596046 2004 129999.995231628 2005 180000.00715255702 2006 39999.9991059303 2007 150000.005960464 2008 660000.026226044 2009 9999.99977648258 2011 300000.011920929 2012 239999.994635582 2013 19999.9995529652 2014 19999.9995529652 2015 19999.9995529652 2016 9999.99977648258 2017 19999.9995529652 2018 9999.99977648258 2021 460000.00834465 2022 189999.99761581398