Year % of exports of goods, services and primary income 1977 4.926870496682193 1982 13.308881985741527 1983 5.695660622419301 1984 2.306020389465874 1985 20.334328327364414 1986 21.140204908492944 1987 20.838483765270592 1988 16.659090354953044 1989 14.191993644742745 1990 10.850506052943892 1991 16.412866703808305 1992 9.723417721106953 1993 12.759286635141509 1994 13.494865760819335