Year % of GNI 1992 68.475433649171 1993 41.268903503718 1994 54.3733140515834 1995 18.8599547042807 1996 19.123970842633 1997 35.2657286583291 1998 6.25698848764955 1999 17.1648666687058 2000 15.8100732537698