Year	% of commercial service imports
1977	5.7953526294333635
1978	6.0648601056545
1979	0.10457516339869287
1980	0.8627636880777467
1981	0.8370941912942215
1982	2.101428971700759
1983	4.799403313182073
1984	5.133257312577895
1985	5.028783195886868
1986	6.065992096542686
1987	5.573473331395243
1988	5.486215774930911
1989	5.836817856979946
1990	4.4407894736842035
1991	7.090524710612057
1992	5.0361114495048795
1993	5.109911601345534
1994	1.5247842042693966
