Year	% of commercial service exports
1977	35.924075924075964
1978	44.30438842203539
1979	93.12000000000025
1980	100
1981	100
1982	98.96774193548406
1983	59.12061794414625
1984	50.3954550517989
1985	48.448385053831316
1986	34.61538461538455
1987	30.81031307550639
1988	37.64025245441792
1989	26.69908277157701
1990	34.115805946791774
1991	36.41440400539193
1992	56.16178067318162
1993	47.942433100967015
1994	49.788380146209896