Year	% of total merchandise imports
1960	0.7352941176470588
1963	0.4444444444444444
1964	0.6153846153846154
1965	1.0752688172043012
1966	0.6666666666666667
1967	0.6593406593406593
1968	0.027635413526278765
1969	0.49569581004446983
1970	1.0931021485111194
1971	0.0816190246526554
1972	0.4739197846882953
1973	0.35231263110317895
1974	0.31654530744336573
1975	0.7900588362620279
1977	0.10006483793069999
1978	0.5717893276895851
1979	0.9350700552599834
1980	1.2530459914347936
1981	5.334954407294832
1982	1.0097890338798376
1983	1.0713877360560446
1984	2.6529619901054193
1985	3.003876522480326
1986	1.888537853373765
1987	2.4318159911885346
1988	3.180665996102583
1989	2.2810864947177594
1990	2.961710327328783
1991	2.196837432369094
1992	2.86729068732455
1993	2.8743391990172986
1994	3.132595624451468
1995	4.2988754730484535
1996	4.8726452367000235
1997	3.9502466704021946
1998	5.850345223233186
1999	5.271697142123593
2000	1.189609173918106
2001	6.722785824366083
2002	5.634158539142196
2003	3.698695127662826
2004	2.0927638883457185
2005	7.868897883283907
2006	6.541404023852208
2007	5.149355670625103
2008	5.612084693155917
2009	2.9870389752447886
2010	1.0649286249689414
2011	2.6868070168784057
2012	7.781378121541679
2013	9.590336352663522
2014	5.118932366364422
2015	4.6309449147287856
2016	4.088853778801751
2017	3.4687497962772254
2018	3.2923375326597664
2019	1.4467952655944303
2020	1.16017144934897