Year	% of total merchandise imports
1963	5.614734743139004
1964	6.911149396997293
1965	8.879781420765028
1966	8.420042801269279
1967	10.456986132035384
1968	11.295856426497757
1969	13.22660181713784
1970	12.586532410320956
1971	13.115962574425858
1972	8.807422041061292
1973	11.591095702946811
1974	11.21881726257762
1975	12.596023497514686
1976	12.519035794152753
1977	11.880571203316336
1978	12.343968002976467
1979	14.59335835271184
1981	13.243757255415318
1982	16.44609375
1983	18.87226385995292
1984	12.809602585311431
1985	12.913423934679605
1986	15.067572000262416
1987	14.53420163403514
1988	15.551593568969619
1989	14.918285552402672
1990	15.432252671971428
1991	13.452890468330367
1992	14.798312098845173
1993	16.951161688003793
1994	17.44586205965301
1995	19.489763164381213
1996	27.356662932836013
1997	20.065913700258758
1998	16.34586943393436
1999	29.011341021237154
2000	21.925274880508177
2001	27.759797650171542
2002	24.078717540183717
2003	14.623306740250621
2004	19.478389354691362
2005	39.98732449926779
2006	22.249595221332992
2007	33.05103307275504
2008	22.2434050152018
2009	33.88132522833587
2010	24.407634703140776
2011	21.656734929620594
2012	24.50779532570805
2013	25.60908071290109
2014	26.265980905810828
2015	25.28565417899354
2016	24.880586334909832
2017	25.681666196237867
2018	25.490387276919524
2019	24.847573575748573
2020	28.12021220561707