Year	% of total merchandise imports
1960	2.214022140221402
1961	3.0018761726078798
1963	3.577512776831346
1964	2.9850746268656714
1965	3.0851063829787235
1966	2.460850111856823
1967	6.0792650149049505
1968	6.827208788130422
1969	7.360530619662002
1970	3.623314182562963
1971	3.96394819740987
1972	4.891096143264121
1973	5.837552138058395
1974	2.89220479865889
1975	4.780750730962424
1976	4.299712443953827
1977	3.4913934737001746
1978	2.8052797144181367
1979	3.925143728734013
1980	3.211311485231562
1981	4.9399858620540416
1982	3.8155930242556417
1983	6.964307047934954
1984	14.377721101579205
1985	14.413864648806982
1986	8.576431942550071
1987	13.729743555084747
1988	7.50454207541738
1989	5.183130337324512
1990	10.972621290732466
1991	6.363746443887465
1992	6.129288785331907
1993	18.140873553026786
1994	6.897871798824369
1995	7.258797270124454
1996	6.825488747329113
1997	8.407013086861326
1998	6.105541758062469
1999	6.476970229021542
2000	2.749124636761993
2001	9.404501523866335
2002	7.359380928853329
2003	3.359085747443459
2004	3.5882649084757086
2005	4.9123718589929135
2006	2.496422980448446
2007	2.5122858382426347
2008	2.363183501899212
2009	1.7161491599648009
2010	1.6152476535179272
2011	0.8755747618502446
2012	1.0990965955306258
2013	1.1111635051192386
2014	1.2586563790322398
2015	28.57089218690746
2016	23.33930937143016
2017	0.449054426134055
2018	42.26732933660148
2019	14.957237521227693
2020	14.271480118734333