Year	% of commercial service imports
1974	9.37500000000027
1975	18.453105968331514
1976	11.705404648557831
1977	10.742187499999659
1978	10.673474349623177
1979	18.789025543992523
1980	17.900837089504236
1981	27.826379542395628
1982	19.705781731098185
1983	15.601952840967769
1984	20.91368657554783
1985	22.72436775312687
1986	21.786600496277728
1987	22.24099693737456
1988	16.0189573459714
1989	9.176850357389881
1990	18.66706574877776
1991	17.921076055780986
1992	19.08554295886836
1993	17.83713485394169
1994	24.298003570848678
1995	18.203871478786155
1996	11.502034624491301
1997	15.598075516041249
1998	19.366587985180672
1999	16.637611383976108
2000	17.44287149057584
2001	16.222216957344273
2002	25.669186821790817
2003	22.335551434493354
2004	26.11210774708144
2005	25.73397389236672
2006	25.366072907056534
2007	21.145715169639942
2008	21.236930995657133
2009	20.71932541731175
2010	23.85269440846922
2011	23.459333083040605
2012	20.23568761268575
2013	22.6194010103939
2014	23.042018332491082
2015	24.616573305514322
2016	25.858568898006055
2017	24.80848703584705
2018	23.459822213584175
2019	29.180426012839945
2020	61.76112192161669
2021	55.34841366649506