Year	% of commercial service imports
1977	30.679063519750315
1978	32.70567872448723
1979	24.705959010358736
1980	24.746049418894444
1981	24.96458172135632
1982	26.51362867716489
1983	26.23679985674623
1984	26.513015012697334
1985	27.602959151689888
1986	30.938133117319815
1987	29.08082529149532
1988	28.057536476562813
1989	25.950341821449666
1990	26.268446911192143
1991	26.321428297544866
2005	29.284742281711353
2006	29.376829539043978
2007	27.392892334675068
2008	28.020405343807777
2009	27.060670314285623
2010	25.12291337035829
2011	25.372037786678625
2012	23.496996842400478
2013	23.846167117037172
2014	25.25421433441288
2015	24.928674981731703
2016	24.269020659934327
2017	25.309426883956974
2018	25.762117836991443
2019	23.681228840178818
2020	24.706258609035412
2021	23.459245459320304
2022	20.951261591621876
