Year current US$ 1990 0 1991 0 1992 0 1993 0 1994 0 1995 0 1996 0 1997 -8220000.26702881 1998 550000.011920929 1999 79999.9982118607 2000 59999.9986588955 2001 19999.9995529652 2002 19999.9995529652 2003 29999.999329447703 2004 90000.0035762787