Year	% of commercial service imports
1977	20.603942621290333
1978	21.421303514839796
1979	22.14706040582616
1980	22.556287323899706
1981	21.585786657738506
1982	21.241613643483397
1983	22.647187682426946
1984	22.43201891505399
1985	25.87492470394479
1986	25.101131196297583
1987	26.614316368179047
1988	23.257458148798964
1989	19.552833126850587
1990	21.321080263831146
1991	21.148556122395945
1992	22.003772508670504
1993	29.0256811108896
1994	26.977291644873763
1995	30.14568430638604
1996	29.771467238729876
1997	26.585523822264395
1998	25.07502799586588
1999	25.466890821751807
2000	23.878477171877524
2001	25.48328342479092
2002	25.94366927283157
2003	24.97460913728372
2004	24.500331158131686
2005	29.068604058886212
2006	29.179786477132502
2007	27.150723722532035
2008	21.538090733120804
2009	23.074557131758336
2010	23.3734421221256
2011	23.230901567603862
2012	23.54136064024867
2013	24.806161697620972
2014	25.845935681239396
2015	24.481825191013094
2016	27.05949497881761
2017	27.51174590290584
2018	30.33958992751575
2019	29.958245511167405
2020	33.244994916270265
2021	29.065533925714973
2022	22.425403423729424