Year	% of commercial service exports
1976	17.615993964541683
1977	15.706947823736146
1978	11.7590206185567
1979	2.0253164556962027
1980	3.9671682626538987
1981	3.237410071942446
1982	1.9646365422396856
1983	2.510460251046025
1984	4.387990762124711
1985	8.408408408408409
1986	8.755760368663594
1987	5.851063829787234
1988	5.263157894736842
1989	4.672897196261682
1990	8.16326530612245
1991	11.776859504132231
1992	6.783369803063458
1993	6.7748091603053435
1994	2.682926829268293
1995	12.570356472795496
1996	2.557200538358008
1997	1.5717092337917484
1998	35.507246376811594
1999	41.24872057318321
2000	36.919675755342666