Year	% of total merchandise imports
1960	6.017396264081
1961	4.50408618127786
1962	5.86038124678001
1963	5.995352439969016
1964	4.233960917283841
1965	5.283998269723488
1966	4.210965766768717
1967	5.74907388794762
1968	5.331506896129453
1969	4.7262228758834475
1970	5.329345731405525
1971	4.043852546517296
1972	3.9147802929427433
1973	3.96533279391739
1974	4.045159197028227
1975	4.2170389068962075
1976	4.0502456559922715
1977	3.591859118063647
1978	3.853366030762588
1979	4.324755056607349
1980	5.163708223384585
1981	5.492752518851537
1982	4.887308118111671
1983	4.884448294512386
1984	4.638666083051411
1985	4.21855449761655
1986	4.542347739266867
1987	6.302352622543879
1988	6.037726311699728
1989	5.802353406648254
1990	5.77971325663706
1991	7.015979493339877
1992	4.765843444731328
1993	4.046231455248831
1994	3.7126313941376563
1995	4.1580168286884875
1996	3.8899627672897923
1997	0.42041967316758694
1998	0.4778510630100524
1999	0.4532497205090807
2000	0.4534211971035333
2001	0.5815196586394751
2002	0.6482383099888528
2003	0.5796500222687285
2004	0.47477447433614617
2005	0.6249525902048456
2006	1.1200650518978525
2007	0.615965412262265
2008	0.5264149640665585
2009	0.5425667408151794
2010	0.6043674054088778
2011	0.44831630250225196
2012	0.9273446048875253
2013	0.5638281322294639
2014	0.5929426807111409
2015	0.40419864582765486
2016	0.1760562879316611
2017	0.20468470627675925
2018	0.2099115364526069
2019	0.37025844319248824
2020	0.22889483221228699