Year	% of total merchandise imports
1960	1.2
1961	1.593625498007968
1962	1.7123287671232876
1963	1.0344827586206897
1964	1.4367816091954022
1965	1.2944983818770228
1966	1.8867924528301887
1967	1.2531328320802004
1968	0.7462686567164178
1969	1.3665159950435435
1970	0.9448043454844816
1971	1.4599252154121283
1972	1.3216505947427677
1973	1.3628276598268296
1974	1.0492211550656627
1975	1.021288729804972
1981	1.1964346248180424
1982	0.17318967704743726
1983	0.5255910225895973
1984	0.1543832668615564
1985	1.126263598611654
1986	0.7971725016070272
1987	0.6946347569361963
1988	0.6156285992616369
1989	1.324231606303962
1990	2.5570626489432744
1991	0.26918657065017754
1992	0.49635739896730263
1993	1.3760757782006905
1994	1.7285462124979427
1995	1.935148378279773
1996	4.296815970670207
1997	1.4876794504966533
1998	0.9548390980102128
1999	0.6810471679575587
2000	0.9650637719483806
2001	0.15120092324896212
2002	0.5247363386039569
2003	0.7451494002359869
2004	1.888099647241195
2005	4.134683881981691
2006	3.5446886734773364
2007	10.749253440800837
2008	10.63912763688787
2009	17.295174969566958
2010	27.174658525700124
2011	10.85310268408857
2012	20.351085549572563
2013	31.73719862334692
2014	24.09620092470957
2015	15.186586149158455
2016	16.571429764111585
2017	20.028307710735756
2018	23.851319201956297
2019	28.898828641665908
2020	32.56679144984021