Year	% of commercial service imports
1977	18.980839788014695
1978	14.909019761299236
1979	52.44008714596945
1980	69.68475942166427
1981	30.950647838113277
1982	47.492294760437154
1983	23.45528774436679
1984	22.373969078999647
1985	12.941452196458158
1986	18.52173450762877
1987	23.963267609487445
1988	31.483923637277012
1989	25.771283470433502
1990	31.21710526315785
1991	30.88653219657588
1992	36.80061258940842
1993	37.93475709927249
1994	14.902568873727187