Year % of GDP 1992 68.47543364917101 1993 41.268903503718015 1994 54.39376713014698 1995 19.10630212441714 1996 18.91164644231404 1997 35.10262682161266 1998 6.293299486355071 1999 17.316997898210147 2000 15.820719466929189