Year	% of total merchandise imports
1960	4.477211796246649
1961	3.9906103286384984
1962	4.434507173467497
1963	3.070569222481595
1964	3.59364201796821
1965	4.294141857593634
1966	4.295154185022026
1967	4.647160068846816
1968	4.713537533724805
1969	5.340910979277798
1970	4.189826783867632
1971	3.580634018016103
1972	4.574974924774323
1973	4.738135163592403
1974	5.398311558576381
1975	9.821927388751174
1976	8.754247298120003
1977	11.075972766518973
1978	11.624352970175005
1979	24.439549047557342
1980	26.012154561443225
1981	19.01142905699658
1982	2.117870135062685
1983	2.916711339837747
1984	5.28630604288499
1985	3.9489982250258584
1986	4.079980782888415
1987	11.428334375379654
1988	4.790434647678488
1989	13.726582278481011
1990	16.817557585467863
1991	5.386340623713857
1992	5.961937148806432
1993	5.1447475561906515
1994	4.577907853125397
1995	6.351553507415226
1996	6.941906727942671
1997	5.828583579533602
1998	4.753630177760028
1999	5.526834319642171
2000	8.102787827104589
2001	4.943503144216557
2002	5.744338025339676
2003	3.259696548096458
2004	2.3771915299356743
2005	4.322901929789216
2006	3.546608779790096
2007	1.1550436086686307
2008	1.1704099580811307
2009	1.2555657082416694
2010	0.4637620664145572
2011	0.5724736376237507
2012	0.6160224977631809
2013	0.35846691658077756
2014	0.20722307557912564
2015	0.24020895271181633
2016	0.2865064084102513
2017	0.38121288594528396
2018	0.9646408249269101
2019	0.8785116840618699
2020	0.891312255208351