Year	% of commercial service exports
1977	2.98765432098765
1978	2.8755364806866925
1979	3.170320404721748
1980	2.778969957081543
1981	1.9980520202038676
1982	1.2681525410140846
1983	1.438055350311585
1984	1.5213754664010108
1985	0.3327898246975555
1986	1.0400567036634594
1987	1.0795407543879274
1988	1.1615853658536595
1989	0.981532218812548
1990	1.1865019565206212
1991	1.227077402259848
1992	0.9904209690512388
1993	0.8212942613696171
1994	0.34470756521116114