Year	% of commercial service exports
1974	36.801619433198304
1975	37.1964956195245
1976	44.11764705882361
1977	45.444361463778876
1978	46.19874059284273
1979	49.43360174696348
1980	42.455598455598334
1981	50.50727240079008
1982	53.192352965052535
1983	51.733867297715506
1984	48.34748387566951
1985	35.30670022019506
1986	41.743103020859365
1987	39.590018498244476
1988	46.08226395852819
1989	50.65150211857644
1990	50.748238020145955
1991	55.5826030509575
1992	41.700404858299706
1993	18.448487988085226
1994	22.19200055793835
1995	19.943342776203927
1996	9.632278030870921
1997	15.32201146890168
1998	16.310983563788113
1999	12.803258901629464
2000	17.61683536904284
2001	20.446735395188945
2002	18.363726955655153
2003	20.472761202957177
2004	15.714396705772646
2005	14.024129861254538
2006	12.893406501038719
2007	17.297348704997226
2008	15.610311042127806
2009	25.797064827912703
2010	22.66334255146793
2011	21.05778822777443
2012	27.440380559387545
2013	28.70383657285548
2014	28.46722198709717
2015	25.663117333303116
2016	23.83647164547061
2017	25.93184229836633
2018	25.93470499087997
2019	25.929117582606313
2020	16.073989168055657