Year	% of total merchandise imports
1974	0.619592393578022
1975	0.07101748318872528
1976	0.08359831011987401
1977	0.917008533883246
1978	1.2773301790642833
1979	0.22463287534911258
1980	3.016711474436896
1981	0.05242316778667182
1982	0.11217394688177296
1983	0.348390511609767
1984	0.8760903041093723
1985	1.554208974778906
1986	1.7757550347951998
1987	1.0475295692100905
1988	1.2444100621811498
1989	0.8405941667911788
1990	0.9295408512622428
1991	0.4705352843271569
1992	0.7779025570145127
1993	0.29532420562899864
1994	1.8667296786389416
1995	2.4771256415978575
1996	1.1181434599156117
1997	3.0480878455130633
1998	1.716680665506963
1999	1.2528839543411006
2000	0.2645251287000422
2001	0.1533393382851965
2002	0.37336818476722433
2003	0.18899736037636922
2004	1.1439227887115746
2005	0.9443863993245677
2006	0.3954345155243252
2007	0.14385595640769833
2008	0.263981302261602
2009	0.95695830962864
2010	0.9276219107785276
2011	0.6791145754282085
2012	0.8713697959143689
2013	0.8962147161163639
2014	0.8836974041190268
2015	1.0522417594144735
2016	1.1665153477046966
2017	0.9596567549777992
2018	0.42718050287149834
2019	0.3430680146094953
2020	0.3801635239904609