Year current US$ 1984 39999.9991059303 1985 29999.999329447703 1986 29999.999329447703 1987 19999.9995529652 1988 19999.9995529652 1989 19999.9995529652 2006 9999.99977648258 2010 259999.990463257 2011 1019999.98092651 2012 200000.00298023198 2013 259999.990463257