Year	% of commercial service exports
1977	0
1978	0
1979	0.5235602094240761
1980	4.035874439461878
1981	4
1982	4.448742746615082
1983	5.891719745222929
1984	1.8168054504163536
1985	1.6633399866932734
1986	7.408444635932554
1987	6.768673168179717
1988	6.04049068146675
1989	5.749530782125447
1990	8.115705259111664
1991	6.218695346983239
1992	7.332170389961192
1993	7.771388916427171
1994	7.510715400845854
1995	9.26117076181471
1996	9.827477468313376
1997	12.004159994109742
1998	13.528965739635254
1999	10.469121045460057
2000	5.718395164817295
2001	5.874675548912151
2002	4.756812873325771
2003	3.746327352669482
2004	3.6199439550164243
2005	3.798577645223105
2006	3.409299045097299
2007	4.781846606144455
2008	2.5266214735268875
2009	2.682890836975375
2010	2.2048230006788714
2011	1.6139302383106724
2012	1.8810382875016671
2013	1.3287611226967186
2014	5.7483568542996295
2015	7.162713736420102
2016	6.439438248840375
2017	5.890254319334417
2018	5.381716626299834
2019	4.93931073052822
2020	9.967144346970358
2021	10.702008939462047
2022	4.271082220175529
2023	10.664982613790002
