Year	% of total merchandise imports
1960	0.1972153290637027
1961	0.14937701302147968
1962	0.18355864838139238
1963	0.222915273687206
1964	0.20366097457608978
1965	0.2585139899577219
1966	0.45705736574580497
1967	0.33653423367457475
1968	0.29977363604925317
1969	0.37830692126273013
1970	0.2326616848218103
1971	0.2886141740737273
1972	0.5751349494624374
1973	0.6631209763447196
1974	1.0883684361266037
1975	0.7488872591441665
1976	0.8925545463123302
1977	0.583678965775453
1978	0.7378414257887412
1979	0.7601397731616497
1980	0.8946641139939003
1981	1.3961917355478595
1982	1.0329699461650175
1983	1.3578221410455402
1984	1.1213654547862113
1985	1.2404768307964225
1986	1.132562658402539
1987	1.0279040745107728
1988	0.7022813538062554
1989	0.7472983746378632
1990	0.9033869917689773
1991	0.8475867734018955
1992	0.8469495136489839
1993	1.3359793524966896
1994	1.7198194385107253
1995	2.2589878581239295
1996	2.4782451915598207
1997	2.8596670770263444
1998	3.0557426369985468
1999	3.0006789349233194
2000	3.812577196816443
2001	4.607388697403052
2002	5.465663003666341
2003	7.16379785798134
2004	8.527376483878212
2005	9.568449584493893
2006	11.249880668392455
2007	12.559702144062223
2008	13.12935894579668
2009	14.82050656892288
2010	16.610719749910594
2011	16.899088041940402
2012	17.421170137171863
2013	18.291587395774446
2014	19.244532838770333
2015	21.376678174166017
2016	21.886146319472928
2017	21.975355084998405
2018	22.314299953334096
2019	23.53857559176096
2020	24.976995394759715