Year	% of total merchandise imports
1964	0.7653061224489796
1965	0.7077856420626896
1966	0.7867820613690008
1967	0.5736137667304015
1968	0.5025125628140703
1969	1.203548832812159
1970	0.9535066199183561
1971	1.0124406374734143
1972	1.1265769895168785
1973	1.6031641319141094
1974	1.7715773621732582
1975	1.7860705694570451
1980	0.8920318579993955
1981	0.613168466606956
1982	1.150971319048678
1983	0.7313514703522801
1984	0.5599106553020441
1985	0.7136835088132071
1986	0.4770954352378748
1987	0.7310945727735506
1988	0.4530663815074801
1989	0.4656887836146518
1990	0.573066406367293
1991	0.5643143236541254
1992	0.9169439776376406
1993	0.7385569219116158
1994	0.7511351146446275
1995	0.942045983539416
1996	0.7815651139905021
1997	1.028054560334437
1998	1.231735743572238
1999	1.6160393002691458
2000	1.0308228904623256
2001	0.8399431614871191
2002	1.346642992858289
2003	0.9954595408321276
2004	1.8402315221029335
2005	1.1572326974746894
2006	1.670720492435527
2007	1.0866697889202304
2008	1.2790917205304253
2009	1.127777674147149
2010	1.6002835777416013
2011	0.9052411804103331
2012	0.9776482844535038
2013	1.2972058327818974
2014	1.4237959194774663
2015	1.635453712934408
2016	2.0828697736745077
2017	1.9992255980992801
2018	2.261582155003874
2019	1.964662700523101
2020	2.651448828894355