Year	% of commercial service imports
1977	49.46351406441103
1978	46.77215809039351
1979	1.9324618736383452
1980	7.76487319269969
1981	7.533847721647999
1982	18.912860745306848
1983	51.68171468948728
1984	51.90087247076291
1985	40.44427192429955
1986	47.78207013875355
1987	45.3935735417343
1988	39.3988633509168
1989	46.31091580884031
1990	45.115131578947384
1991	46.1464614958065
1992	38.523868362889566
1993	34.69451615426738
1994	55.01731534604851