Year	% of total merchandise imports
1960	0.3888090609415941
1961	0.35205069530012323
1962	0.4389815627743635
1963	0.769417672309063
1964	0.9754456777665658
1965	1.6355441081777204
1966	1.7392930615298299
1967	1.6361556064073226
1968	1.7763258639171047
1969	1.959745762711864
1970	2.1246458923512748
1971	2.606340467098837
1972	2.7652141937856225
1973	2.5893958076448826
1974	2.3839397741530743
1975	5.521621539490078
1976	3.77255330781848
1977	4.316520534461072
1978	3.603222264844773
1979	4.221448133775723
1980	4.820645665325171
1981	4.89147328589132
1982	4.271581838810485
1983	2.6751662971175167
1984	4.097603056257317
1985	3.9544507857509936
1986	3.0300918912639534
1987	2.3222138771302516
1988	3.137096644343673
1989	2.7718184501135408
1990	3.1206812175002945
1991	3.1214843209927663
1992	2.951984406184978
1993	2.8828017997577717
1994	2.7114611801744384
1995	1.5665979299713817
1996	1.645910019885349
1997	1.521917558718095
1998	1.5305607476635514
1999	1.527957492252132
2000	1.7115830931380767
2001	2.1196828800968097
2002	2.661804984730348
2003	3.324828728059257
2004	3.972811727314999
2005	4.219566710475388
2006	4.0157435852081145
2007	3.6355518596369087
2008	3.342523394888101
2009	3.2910643003204147
2010	3.264634550694525
2011	3.2239755789971847
2012	3.1720510182011568
2013	3.309705020998161
2014	3.108078366349594
2015	2.5091231666304665
2016	2.5631041960649554
2017	2.553607883882608
2018	2.6041262757512276
2019	2.667153752103383
2020	2.7504251203921517