Year	% of commercial service exports
1977	3.8
1978	1.607142857142857
1979	7.266881028938907
1980	8.072519083969466
1981	7.435897435897436
1982	5.932203389830509
1983	5.4946996466431095
1984	3.75
1985	2.4752475247524752
1986	2.0950304046086887
1987	2.0629086120459434
1988	1.2193972113316278
1989	0.939598059444411
1990	0.625
1991	0.6073082177444824
1992	0.2619835006869587
1993	0.2929391095881033
1994	0.19079138908611726
1995	0.3500308086482673
1996	0.24558155354947325
1997	0.23640191772997055
1998	0.20785185550360627
1999	0.21805622857894255
2000	0.22354212408914115
2001	0.11397493192600486
2002	0.11117614442818842
2003	0.09327820222509643
2004	0.07927733085116699
2005	0.1753140218472689
2006	0.11838348274981435
2007	0.30923966962972754
2008	0.49212016332858854
2009	0.05177534795917123
2010	0.053722704346509886