Year	% of total merchandise imports
1960	3.5980361537935197
1961	3.3137084360184392
1962	3.8714504607625093
1963	2.443254245506644
1964	2.5279935176070283
1965	2.00278191005848
1966	2.2738196094978456
1967	2.2901374627840383
1968	2.6383447963469364
1969	3.903906436942207
1970	2.8453826986354227
1971	3.290719682060597
1972	3.2605676692661962
1973	3.2379966654644634
1974	4.261849811787501
1975	3.6876535197028644
1976	4.268567216909477
1977	4.68439880472971
1978	2.417038245856164
1979	2.517176047899912
1980	2.6083120253165024
1981	1.4772308879826894
1982	1.7492955673896013
1983	1.4171209421786688
1984	2.070572959103149
1985	1.3343189400295778
1986	1.1192284815849813
1987	0.9725780775704714
1988	0.9714975587647741
1989	1.1679328985146533
1990	2.0170683281032926
1991	2.271554902751073
1992	2.1257217106766797
1993	2.1592225896735555
1994	1.9208110673807703
1995	1.8693374864419416
1996	1.8730552615942209
1997	1.894019809015162
1998	1.1486362875309664
1999	1.282784491406815
2000	2.1702545554638855
2001	1.8399727486092654
2002	1.9782879166301794
2003	2.1302036010549457
2004	2.1944237805352995
2005	2.56939195851444
2006	2.422272370644029
2007	2.136328329380582
2008	1.7711996794400244
2009	1.8705079713760342
2010	2.280685661973001
2011	2.183482273646689
2012	1.911983823033557
2013	1.7899252728923418
2014	2.0417404297207473
2015	2.5703648406181214
2016	2.451759623854616
2017	2.377408245811281
2018	2.120491264737164
2019	2.1392548939848552
2020	2.1327232872178405