Year	% of commercial service exports
1974	25.991902834008062
1975	36.52065081351696
1976	38.303693570451465
1977	40.0298730395817
1978	39.456304715097644
1979	39.743414767298965
1980	46.216216216216125
1981	38.85841264140785
1982	35.621626009660304
1983	33.48730317648133
1984	34.518456436978525
1985	35.65366467442587
1986	31.19630272337735
1987	28.187549548869306
1988	30.96243732472179
1989	22.01376278314054
1990	26.93978695330348
1991	29.878691983122398
1992	29.797570850202526
1993	36.0616460532279
1994	29.340586532761353
1995	33.937677053824395
1996	9.893700863079752
1997	11.37185707984121
1998	17.281502739368687
1999	23.735666867833473
2000	23.019413592591455
2001	23.103554392983465
2002	27.894369706028865
2003	29.789219321960868
2004	38.16952839717191
2005	55.017234403676966
2006	50.95282123944828
2007	53.542633119524886
2008	43.04498514017613
2009	34.29751702641305
2010	45.13952903712398
2011	51.26225560133783
2012	51.06424717999016
2013	53.12191218058003
2014	50.577836342836456
2015	46.02017857457334
2016	43.52915431290532
2017	39.474732196150235
2018	37.511700643578784
2019	37.23192551660422
2020	37.877595492043696