Year	% of commercial service exports
1977	37.057047533883065
1978	31.211478937598635
1979	30.16755557075424
1980	32.2289095026234
1981	35.78391237144817
1982	36.81646976234313
1983	39.84253448289726
1984	35.74227668309953
1985	33.429996068897765
1986	47.946091306128466
1987	41.02676128232427
1988	37.97099762119029
1989	33.995844548161756
1990	32.145621650579564
1991	36.45522109574795
1992	35.48539815103092
1993	36.185287451056844
1994	35.80784700138076
1995	33.41991539467413
1996	31.552373704269254
1997	36.77058057887972
1998	39.51775369226009
1999	39.62919520935119
2000	39.03537298657206
2001	39.43389486043811
2002	39.663895677083765
2003	42.19055728506732
2004	40.66244227838856
2005	44.5229536918137
2006	39.81330167136776
2007	47.561381557179025
2008	50.65837900591967
2009	51.52508549277772
2010	46.4120833046492
2011	46.457695696012735
2012	46.82191511827728
2013	47.34498780356314
2014	49.04369688878893
2015	43.28930494850914
2016	48.105245812889756
2017	53.11877410184925
2018	51.70134561633103
2019	48.77718048463746
2020	24.63120454077624
2021	24.527507728906297
2022	33.59477348345163
