Year	% of commercial service exports
1974	37.47044917257654
1975	23.55371900826451
1976	17.15312079030079
1977	16.69341894060959
1978	15.768725361366577
1979	11.784207353827668
1980	14.313967861557373
1981	40.697856360507124
1982	36.3756613756614
1983	37.609980302035424
1984	35.47365754812573
1985	40.461804056970315
1986	30.395136778115443
1987	25.30462880056045
1988	26.401840862298528
1989	26.9912523020258
1990	37.565701329485584
1991	22.719119933038456
1992	26.48745922843318
1993	32.42779902413265
1994	44.03376018626312
1995	37.87011557512389
1996	26.707145207452584
1997	33.158551028606965
1998	36.03859145805384
1999	37.3581030447133
2000	44.31101308379202
2001	37.920536513139645
2002	39.62799706137699
2003	39.3568895087468
2004	46.1818625624688
2005	43.12491218209924
2006	46.21832884097036
2007	36.84069200966688
2008	39.793617427861804
2009	41.668032115353014
2010	45.1826454478801
2011	42.94160217714837
2012	48.05339002004384
2013	48.705717659561174
2014	48.421790179146434
2015	49.99608032588167
2016	48.40710378453349
2017	48.16682869648401
2018	43.02230208091757
2019	39.19004344075422
2020	59.75857211138705
2021	43.40069093531434