Year	% of commercial service exports
1976	74.34930215013202
1977	77.99405244660718
1978	77.93170103092784
1979	95.37974683544304
1980	91.51846785225717
1981	91.90647482014388
1982	88.40864440078585
1983	66.31799163179916
1984	63.048498845265584
1985	52.252252252252255
1986	59.44700460829493
1987	40.42553191489361
1988	33.97129186602871
1989	33.02180685358256
1990	74.9271137026239
1991	42.35537190082645
1992	72.86652078774617
1993	86.06870229007633
1994	63.170731707317074
1995	52.7204502814259
1996	25.706594885598918
1997	47.249508840864436
1998	29.27536231884058
1999	4.912998976458553
2000	2.947678703021367