Year	% of commercial service exports
1977	17.896825396825395
1978	14.309301045679693
1979	35.16624040920716
1980	24.990067540723082
1981	33.036739380022965
1982	40.79666753449622
1983	31.433775696070775
1984	33.58572201189832
1985	36.85456110154905
1986	37.816119120775234
1987	37.91489361702128
1988	35.41666666666667
1989	28.43539214389631
1990	29.745808545159548
1991	28.300797042855493
1992	23.96976122430165
1993	19.595083152566882
1994	21.16336633663366
1995	14.522058823529413
1996	15.909090909090908
1997	15.922619047619047
1998	18.07313642756681
1999	16.96113074204947
2000	16.554054054054053
2001	16.28352490421456
2002	18.55976243504083
2003	16.54197838736492
2004	11.228714096709487
2005	8.515625
2006	8.191770479426198
2007	6.362365370379705
2008	13.678091515416856
2009	9.491611205847985
2010	7.516402272874316