Year	% of commercial service exports
1971	10.9375
1972	7.591933570581432
1973	3.6496350364962353
1974	2.431610942249236
1975	2.077922077922082
1976	2.073732718894007
1977	2.463054187192128
1978	1.75994368180217
1979	1.8587360594795541
1980	1.7776724342261332
1981	2.1327014218009452
1982	2.3031366527747394
1983	2.3313905079100863
1984	2.899751449875737
1985	2.9924242424242493
1986	3.056861906797792
1987	2.82021151586369
1988	2.542171537182213
1989	1.8925056775170361
1990	1.4210854715202004E-14
1991	-1.4210854715202004E-14
1992	-1.4210854715202004E-14
1993	1.4210854715202004E-14
1994	0
1995	2.396491943707943
1996	2.4019984627209823
1997	35.730858468677496
1998	19.631901840490798
1999	21.965317919075147
2000	18.987341772151893
2001	14.63414634146342
2002	13.432716197803956
2003	16.174019822822558
2004	16.43730151092292
2005	14.733004503538496
2006	9.754174729448863
2007	6.3384797513934785
2008	3.4125606957843075
2009	2.999684651143127
2010	4.725548446249974
2011	6.317672747167208
2012	9.326389966686236
2013	8.195891308579604
2014	8.644981520522236
2015	8.384788498231785
2016	4.496501036376458
2017	4.202487575995605
2018	3.9839956414174225
2019	4.419531224178783
2020	1.7879098338324582
2021	1.7909757930903965
2022	2.5887071036593454