Year	% of total merchandise imports
1960	0.018745899334520574
1961	0.0630119722747322
1962	0.13055895552835575
1963	0.21792077938725804
1964	0.15195013194187473
1965	0.22433416754737145
1966	0.2483208778734273
1967	0.23361260658919716
1968	0.1861447860446045
1969	0.11709901114180382
1970	0.17667572219837607
1971	0.2826675085168378
1972	0.3833400917548179
1973	0.937047031842534
1974	0.7146635607462217
1975	0.6587432735003531
1976	0.3994232694636745
1977	0.8081335454910568
1978	0.5760343435148412
1979	0.5979499120652163
1980	1.0903369236460845
1981	1.6770158912990687
1982	2.4623598314834254
1983	1.8614825739903844
1984	1.8289650785192548
1985	1.9423655364249792
1986	1.3867299323703723
1987	2.183599192457503
1988	2.095680890249467
1989	1.5509979323162413
1990	1.3091225805564857
1991	1.232922012920871
1992	2.4544469188431863
1993	1.0516609536883836
1994	1.9058712507156308
1995	1.1777928140922453
1996	1.213714865588467
1997	1.4430645411319891
1998	2.4438383889522393
1999	1.8126784007339465
2000	1.8583336760431846
2001	2.755685475509173
2002	2.191151146550575
2003	2.3468311044790755
2004	2.5979674100742276
2005	2.6436941203203155
2006	2.84716677739491
2007	3.3141376160772436
2008	3.647627282704106
2009	2.9765697585806663
2010	2.528913134656298
2011	2.540685418921467
2012	2.87361517587572
2013	2.252687390288979
2014	2.058994123491265
2015	2.0168994761806545
2016	2.4146383769579027
2017	2.4273290959765506
2018	1.8955439749398024
2019	1.7801979925198559
2020	1.8481433697438716