Year	% of commercial service imports
1977	23.861949529935693
1978	23.665985467756556
1979	23.268921095008192
1980	27.08364011191283
1981	25.074279808810246
1982	27.86519036519037
1983	30.308435953504524
1984	27.85761480013219
1985	23.30553546355771
1986	22.440009253612114
1987	28.162175843898773
1988	32.28734189437109
1989	33.07470730347525
1990	30.63295607474579
1991	31.934340118187905
1992	33.8393658390667
1993	38.23703783550725
1994	37.97468354430382