Year	% of commercial service imports
1976	22.206456190138347
1977	23.618027888446218
1978	18.19887429643527
1979	52.75179856115108
1980	33.590199565303294
1981	21.012033323048442
1982	13.56391997287216
1983	11.289537712895378
1984	13.608477412158393
1985	16.091225847323408
1986	11.28369118318867
1987	11.096075778078484
1988	3.1081081081081083
1989	5.334987593052109
1990	9.181744531460978
1991	13.585045345178603
1992	20.01443782710702
1993	15.718453683442743
1994	4.8661005878510775
1995	10.994525547445255
1996	8.899620558813384
1997	12.005028284098051
1998	5.950991831971995
1999	33.175853018372706
2000	12.999365884590997