Year	% of total merchandise imports
1973	0.034284734721865086
1974	0.07133212748070211
1975	0.053745782449016156
1976	0.022477971587843915
1977	0.11548532421647209
1978	0.21850655519665588
1979	0.17329214970516266
1980	0.5334996189288437
1981	0.2569694215128856
1982	0.1908660172748657
1983	0.3478714440476668
1984	0.5803883325570564
1985	0.5626045594561953
1986	0.4742498646245532
1987	0.5252637259243285
1988	0.7338678299697212
1989	0.6098985662914973
1990	0.25746250141754634
1991	0.369693771769476
1992	0.3843364797007069
1993	0.39243177888641284
1994	0.3898849885342594
1995	0.7478012981127594
1996	0.9920566752063623
1997	0.7232009457441364
1998	0.5539959613320123
1999	0.5303582061505757
2000	0.8292711920672543
2001	1.1236182278738018
2002	0.9663081102340457
2003	1.2749205328855862
2004	0.9915706402051913
2005	1.4453650892414678
2006	1.1062650434263575
2007	1.222327567389855
2008	0.902592573188719
2009	1.0959856194943467
2010	1.259959538284212
2011	3.07592082710447
2012	4.56728331473038
2013	3.795685956224229
2014	4.161862535115621
2015	2.429405932511702
2016	1.926987853437257
2017	3.2359507458314214
2018	2.7305386929926296
2019	2.1885741417251903
2020	2.1885741385623896