Year	% of commercial service exports
1978	38.15568860099686
1979	37.72240482166759
1980	39.46583454865778
1981	42.4710868933341
1982	41.3463663141073
1983	37.02390383762042
1984	38.65642471394275
1985	43.38234555017133
1986	46.82913060930593
1987	50.44524542601765
1988	48.14999072335464
1989	46.743589418365296
1990	46.51782234338141
1991	46.886425924701854
1992	60.455582583211
1993	46.791666945078966
1994	45.70137230140165
1995	45.4642148092254
1996	34.83416801524549
1997	36.15871146780762
1998	32.06677699563616
1999	32.6833957629173
2000	32.916258111743254
2001	32.14882268665464
2002	33.76671379477941
2003	37.9503790079624
2004	35.24585965397207
2005	37.70972155789324
2006	39.98971777817747
2007	41.19187009424567
2008	42.027912897701036
2009	40.30281393586973
2010	40.379471712108334
2011	38.92518101076162
2012	38.395701273790564
2013	37.99877007754701
2014	36.19587169758697
2015	38.59972213297356
2016	36.10727352970209
2017	36.40131724995528
2018	38.43193990357337
2019	39.309702966920504
2020	44.73795903671014
2021	44.34873505607157
2022	41.20471803167533
