Year	% of commercial service exports
1977	34.2
1978	14.464285714285715
1979	66.36655948553056
1980	73.9885496183206
1981	67.77777777777779
1982	59.152542372881356
1983	56.51943462897526
1984	42.32142857142857
1985	35.31353135313531
1986	24.087882683007045
1987	23.551919537538442
1988	15.975024716846209
1989	12.756580184180057
1990	9.791666666666666
1991	9.230779455574826
1992	6.537386129927405
1993	6.458453224305488
1994	6.220543675905816
1995	7.401206723375505
1996	6.522578896514148
1997	6.397592839035214
1998	6.772805787147954
1999	6.928347978170464
2000	5.848494124811357
2001	5.589461977646361
2002	4.797208356261722
2003	4.697095906772031
2004	4.621590423875276
2005	6.955823211837592
2006	4.733751811535553
2007	1.831307937539502
2008	2.4796441411672676
2009	2.37527130610871
2010	2.217950164600055
2011	4.524470827854851
2012	6.943528997983732
2013	6.760099427481078
2014	7.171922511755563
2015	8.342949871580998
2016	9.474836265700148
2017	5.9044948765414755
2018	4.468894506103868
2019	4.451036752274021
2020	5.539195803321813
2021	3.744723612054379
2022	2.901801705746996