Year	% of commercial service exports
1977	27.67232767232757
1978	37.25490196078445
1979	5.279999999999745
1980	0
1981	0
1982	1.0322580645159434
1983	2.0796197266803347
1984	10.460064609557904
1985	39.07536415452849
1986	44.72412404349589
1987	53.03867403314925
1988	48.667601683029474
1989	64.60382362692008
1990	47.26134585289528
1991	35.27825919507016
1992	28.01302931596051
1993	28.266246908027753
1994	43.9476721816085