Year	% of commercial service exports
1976	27.79459749136535
1977	20.73069762903397
1978	27.832597971989674
1979	29.427531373735942
1980	37.90921994403218
1981	34.28724475725575
1982	32.001660912857176
1983	10.555726876009569
1984	16.97081645352979
1985	10.494970332573846
1986	8.948488704030165
1987	8.187955051572324
1988	11.454289451431883
1989	8.040665650969252
1990	10.287525667896219
1991	7.898023957007787
1992	3.1155340955658835
1993	2.4155843564176607
1994	0.972756015220605
1995	6.459433197070089
1996	9.617880310549285
1997	7.149893015406311
1998	5.446465212693485
1999	11.572902945039909
2000	8.359242664705835
2001	16.995937960905483
2002	17.474447297180735
2003	27.595075396980917
2004	36.98633715950876
2005	45.68446380066924
2006	44.31387741402047
2007	35.673610115873394
2008	37.07652658214848
2009	44.006675174677994
2010	43.92530579420738
2011	29.67540631579852
2012	16.423984636960295
2013	8.68418988146089
2014	13.388133093774485
2015	9.647588697570447
2016	7.7018217089883265
2017	3.745699600835502
2018	7.7333419677800705
2019	5.893456007419413