Year	% of total merchandise imports
1961	0.20212829201593246
1962	0.07380911826491796
1963	0.02052650484938677
1964	0.027226548218216892
1965	0.054236362787389865
1966	0.049578991728571546
1967	0.01195886151638364
1968	0.012177217481451053
1969	0.07011362740714427
1970	0.09569943924429701
1971	0.10195812214708071
1972	0.9480439730333425
1973	0.4690547411016289
1974	0.39077524158167276
1975	0.719195306420068
1976	1.0277816925215282
1977	0.9234478528307343
1978	1.5079339463193382
1979	1.7751240641957613
1980	1.3160984188230374
1981	1.6401208809365908
1982	1.8522683946283112
1983	1.5458830563161672
1984	2.210676492509878
1985	3.378293090875823
1986	1.3981370391410197
1987	1.4438098994603137
1988	1.86225072249318
1989	1.6203335868595485
1990	1.8299747854774058
1991	2.198777901201325
1992	3.1911250244361393
1993	2.1625462804768247
1994	1.550787224307186
1995	2.1254387126312424
1996	1.984188407965817
1997	1.908251381290846
1998	2.683326855341451
1999	2.1578140261668377
2000	2.1207908862937126
2001	2.0066193327412702
2002	1.7572166425152012
2003	1.5443931050534716
2004	1.6629758102717673
2005	2.183385915590068
2006	1.962680962755054
2007	2.0669602572639527
2008	2.01105972296717
2009	1.681215507945149
2010	1.4702351591907337
2011	1.5004387082669042
2012	1.8064560585027427
2013	1.5270014417405253
2014	1.4588117208222313
2015	1.6643184043934802
2016	1.6956912794778536
2017	1.9063448798833187
2018	1.2022202968952895
2019	1.3153894448825638
2020	1.7716276324604188