Year	% of commercial service exports
1977	37.785635604402465
1978	43.06695951455421
1979	46.79050160447751
1980	46.90689074626336
1981	39.8729612463155
1982	41.98343383426501
1983	42.35401970315422
1984	41.92004643757799
1985	46.44965204064328
1986	34.48976027521871
1987	29.73979600464585
1988	34.52544503628292
1989	25.316728097470758
1990	27.596508527939736
1991	28.871235649058388
1992	30.2134111758567
1993	28.946980750702966
1994	26.22557525682714
1995	27.938921652380294
1996	24.882854876451006
1997	26.321343562774818
1998	25.399101401311466
1999	23.072608098652342
2000	21.159893644240977
2001	20.961052181193438
2002	19.10044393381906
2003	17.453426941672053
2004	18.86849294845921
2005	31.1251887242676
2006	29.954912806700335
2007	28.798821214021945
2008	26.867457505875525
2009	25.77212494064701
2010	29.346789879234688
2011	27.72759300925411
2012	26.779836814932086
2013	26.145310488495358
2014	24.757621649236032
2015	26.991679966595594
2016	25.395443547754944
2017	19.785953691721453
2018	19.328269080340693
2019	22.718447261687963
2020	28.30789406818028
2021	28.236469378490266
2022	25.52383635220337