Year	% of commercial service imports
1977	7.428927163311891
1978	7.837648705388384
1979	8.707482993197278
1980	12.990790111488124
1981	17.238001958863858
1982	19.941634241245136
1983	21.41255605381166
1984	22.434868502284232
1985	17.861339600470036
1986	18.411271501426224
1987	18.95619076190387
1988	20.591590839524724
1989	23.86962048302161
1990	27.416356877323423
1991	22.586206896551726
1992	19.04406273338312
1993	20.542567121601504
1994	18.202850349115426
1995	16.57392149390022
1996	17.508912944421517
1997	19.33809137397783
1998	19.51341932234687
1999	20.9276421770728
2000	19.4809990965091
2001	23.937922605132396
2002	25.937638413626342
2003	25.657764331854775
2004	24.62451599107288
2005	24.888702844400896
2006	24.366826092657043
2007	22.921394047040476
2008	20.109681036763664
2009	23.281618733195963
2010	21.62140160083235
2011	21.322585072260896
2012	19.70767861689771
2013	20.807403151973368
2014	20.4099071764057
2015	23.137394224652407
2016	24.938441197055006
2017	25.48491874210602
2018	27.27216907917284
2019	26.564668654519753
2020	9.876940199501213
2021	11.134858993567086
2022	17.699414222894898
2023	25.10259672102003