Year	% of total merchandise imports
1962	0.07049700387733521
1963	0.051715221513532146
1964	0.02812939521800281
1965	0.0652400835073069
1966	0.027870680044593088
1967	0.015964240102171137
1968	0.03705762460626274
1969	0.02875215641173088
1970	0.10390101067346746
1971	0.052980132450331126
1972	0.11961722488038277
1973	0.35998280679131744
1974	0.6488824801730353
1975	1.0610079575596816
1976	1.3502161076276862
1977	1.1686991869918701
1978	1.6007555004019451
1979	2.111352557082471
1981	1.9827289912356074
1982	2.404593042890915
1983	2.229277914080916
1984	3.638149731145733
1985	7.59424556422508
1986	2.387550764490578
1987	2.3875507643864946
1988	4.156684372272352
1989	3.2428388245141173
1990	4.280825218052403
1991	3.729928758730806
1992	4.387545416986688
1993	3.660047469659096
1994	3.4371027129783975
1995	4.6805611962745335
1996	5.351695263966536
1997	4.675350345551042
1998	5.283360240279134
1999	3.932597063421648
2000	3.9765814479073542
2001	2.673132707480207
2002	2.774168085071568
2003	1.734149695550718
2004	1.8621203452173714
2005	2.689673201639976
2006	3.10179437726011
2007	3.1889249823529213
2008	2.1318084735558624
2009	1.5214041687912043
2010	1.1964938627101014
2011	1.1882151392560711
2012	1.4245240846475313
2013	1.1268149231417024
2014	1.0681367225428624
2015	1.0753117621573918
2016	1.2942858344545265
2017	1.2220516416665748
2018	1.0032884139208842
2019	0.9193864838158446
2020	1.1668532936546978