Year	% of commercial service imports
1977	25.56903471461917
1978	24.720391051023594
1979	27.81666780364052
1980	27.1036712448217
1981	22.668727537371222
1982	23.884199801468604
1983	24.146414156376927
1984	24.753861204952795
1985	27.66895196430332
1986	28.91975758572298
1987	30.16968942004417
1988	25.34882082535381
1989	20.513689010371433
1990	25.42222525040881
1991	20.785502017228698
1992	23.57227016365966
1993	34.66987153802905
1994	31.277138338580077
1995	35.1561638650913
1996	38.43025434802349
1997	33.34885806920382
1998	31.53648406567037
1999	36.04680736282825
2000	37.0445254125424
2001	37.73856167830686
2002	38.67029845924745
2003	33.02412296676349
2005	43.07085194567772
2006	39.26238878230077
2007	34.32190470937534
2008	30.28871345576285
2009	31.240597497693926
2010	29.920655058890716
2011	29.84399257038783
2012	29.871326028379514
2013	28.60090269457564
2014	31.07747499576122
2015	28.702357346407137
2016	32.24015139782217
2017	35.42300830405147
2018	39.81638421206852
2019	38.47904707067298
2020	42.27789892935892
2021	33.681142817797
2022	24.366099502636988
2023	23.42592066815677
