Year	% of commercial service exports
1974	0.01868460388639759
1975	0.18694120834462155
1976	0.6402164111812442
1977	0.5033325672259263
1978	0.17996870109546145
1979	0.16827783745076944
1980	0.4752195734002528
1981	0.07887700534759348
1982	0.03516655270098665
1983	6.555901696088593
1984	4.1180079762756945
1985	12.03085618269303
1986	18.20928931169562
1987	7.216183574879224
1988	7.569539443684424
1989	18.184401193351327
1990	13.513063737726739
1991	12.531328320802018
1992	7.522522522522494
1993	11.80910640370095
1994	0.0467071461933674
1995	0.03268507926131716
1996	1.9486317558695307
1997	1.495706767611487
1998	2.9328380095806046
1999	1.071927916731397
2000	3.9635243770747666
2001	1.31105109160477
2002	3.0972003213233754
2003	1.3087971819865758
2004	1.429280825614786
2005	1.0739883613813557
2006	4.4198895027624365
2007	6.944042132982231
2008	6.785897503936022
2009	2.9271916790490313
2010	5.202567324345424
2011	0.22919780767314432
2012	8.223862308722538
2013	3.519594652620729
2014	1.152656859129502
2015	2.2597562242312628
2016	2.064335268836552
2017	1.140609444304069
2018	1.9513070060889643
2019	1.8851060618151343
2020	0.5479870349838287
2021	2.4129167504235673