Year	% of total merchandise imports
1969	0.4608294930875576
1970	0.4484304932735426
1971	0.6688963210702341
1972	3.5143769968051117
1973	2.2435897435897436
1974	5.09288248799833
1975	6.253750466274186
1976	4.603400648559615
1977	5.976523751791028
1978	3.680850413904756
1979	3.955763504891536
1980	3.6816562671830546
1981	3.3258763966264073
1982	3.09785067082014
1983	3.1565367125317865
1984	6.31630531950413
1985	3.0995166230028413
1986	2.0302833509929252
1987	2.4045745787773134
1988	3.2792674272841604
1989	3.5207787002306943
1990	3.494834404488064
1991	5.424987578793621
1992	3.70219995205517
1993	4.158500248117409
1994	4.633333609691104
1995	4.042776559467744
1996	3.387514896404205
1997	2.2991873147453594
1998	4.079893226719173
1999	3.733402908315774
2000	4.680707264612442
2001	5.401247848777948
2002	5.98083984439284
2003	4.4649787292728655
2004	3.739644624434845
2005	4.497235660875322
2006	4.382602289320257
2007	4.357495565782696
2008	6.037445385975411
2009	8.446080481151872
2010	10.095980693435108
2011	8.384382630334612
2012	9.433631130614954
2013	9.586728440406828
2014	14.016665382950999
2015	16.921358916726497
2016	18.2407430774384
2017	14.992085628876126
2018	14.451295367764367
2019	18.227499690852493
2020	18.832960145143797