Year	% of commercial service imports
1977	5.479960415635844
1978	13.73183469573111
1979	6.335934596803668
1980	15.325430717125627
1981	13.008655212504806
1982	10.835923335923368
1983	11.258487743123297
1984	14.164188965972855
1985	15.291664893843702
1986	19.51670907905512
1987	18.965001495662776
1988	14.461233948054101
1989	10.853001300873274
1990	10.726498554945053
1991	9.990807616545936
1992	12.030112673247586
1993	11.517732025438988
1994	10.443037974683392