Year current US$ 1990 0 1991 0 1992 0 1993 0 1994 0 1995 0 1996 0 1997 0 1998 0 1999 0 2000 13750000 2001 6949999.80926514 2002 6969999.79019165 2003 7909999.84741211 2004 12500000