Year current US$ 1974 119999.997317791 1975 59999.9986588955 1978 9999.99977648258 1981 9999.99977648258 1982 9999.99977648258 1990 16760000.266134705 1991 85669996.04180452 1992 10699999.848380683 1993 9309999.998658888 1994 13240000.236779446 1995 20590000.508353125 1996 12480000.151321288 1997 25379999.73073601 1998 21100000.10766089 1999 9020000.236108886 2000 8830000.009387735 2001 9099999.899044642 2002 5709999.959915867 2003 8309999.946504838 2004 3470000.0584125556 2005 59999.9986588955 2006 39999.9991059303 2007 59999.9986588955 2008 519999.980926514 2009 430000.00715255697 2010 370000.00476837205