Year	% of commercial service imports
1977	25.760293518140912
1978	32.25396204265276
1979	45.52287581699351
1980	21.687603697558288
1981	60.6784102489445
1982	31.49341552255524
1983	20.063594252963867
1984	20.591901137659548
1985	41.585492683355426
1986	27.630203257074996
1987	25.069685517383007
1988	23.630997236875274
1989	22.08098286374623
1990	19.226973684210563
1991	15.876481597005565
1992	19.639407598197124
1993	22.26081514511459
1994	28.55533157595491