Year	% of exports of goods, services and primary income
1977	12.312651373363867
1978	11.052915981684533
1979	15.057577042730857
1980	11.968954386850642
1981	10.9663593220338
1982	11.374549146053358
1983	9.212303208772058
1984	8.755727678244787
1985	9.79745542534847
1986	15.014096510673097
1987	14.725062174216022
1989	17.162034971388
1990	17.12688192057512
1991	24.205716472940257
1992	32.19318709536616
1993	39.282033982953934