Year	% of commercial service exports
1978	37.777426707581334
1979	35.49392485971008
1980	34.54512071463921
1981	32.411203482972084
1982	31.743118759869457
1983	35.130959686885255
1984	35.67960531875117
1985	33.666252278752594
1986	30.32422745066671
1987	28.267832969216485
1988	30.01470290210615
1989	29.804129161665752
1990	28.698335313055537
1991	28.32550113816301
1992	13.456829418563661
1993	20.9517766554931
1994	22.682855825075617
1995	23.7457621714275
1996	28.69210924409402
1997	29.63602164355927
1998	27.4223395696919
1999	25.1674871239318
2000	25.45761273077652
2001	23.853026350618446
2002	23.106488935728443
2003	20.66694640716962
2004	21.2855596613848
2005	20.044065858783753
2006	18.935336272462706
2007	17.95444300362401
2008	18.35544102777091
2009	19.728861941859268
2010	20.975691861925974
2011	21.40015886676256
2012	21.65296255793348
2013	23.621313382834426
2014	22.103495322957354
2015	22.06468948510249
2016	21.006091198563407
2017	20.70831002298599
2018	19.913858414034767
2019	19.362873984029108
2020	24.565727561436876
2021	25.530533127312502
2022	23.527615409702484
