Year	% of total merchandise imports
1960	2.1094106748638137
1961	1.7450489389423351
1962	1.6963602171835603
1963	1.5345082667295378
1964	2.467275026299434
1965	2.024071720417336
1966	1.3070869721217242
1967	1.35250614426024
1968	2.163896514191526
1969	2.4272845629426913
1970	2.775912441004623
1971	2.6463770886383737
1972	2.8086056197716776
1973	2.3656373268930353
1974	2.129740908278723
1975	1.5892196473258666
1976	1.6834981480416111
1977	1.6684484606585428
1978	1.242903559925268
1979	1.4893462093162864
1980	1.8177961965422789
1981	1.85781971630085
1982	1.6669813417280108
1983	1.5663591011561746
1984	1.603628739934436
1985	1.8178516925754789
1986	1.8930245373090644
1987	1.948106068599988
1988	1.7338694003557829
1989	2.20113989166691
1990	2.2988054425971445
1991	1.9084395790302147
1992	2.2942836237918405
1993	2.304419785723948
1994	2.4473036469642895
1995	2.6437341339114444
1996	3.0450838186503257
1997	3.1080800153584267
1998	3.221535256856077
1999	4.035169563864831
2000	3.481073646684638
2001	3.4064732273136435
2002	3.538411832362931
2003	3.281400013827998
2004	4.1746488230239525
2005	3.871451321546736
2006	4.183761837047788
2007	4.0854404410220155
2008	3.9672544256911517
2009	4.100078206725249
2010	4.283768476106258
2011	4.460789238276073
2012	4.453200220475787
2013	4.319799489121183
2014	4.263152175588491
2015	4.071542554115708
2016	3.4843238010869575
2017	4.30366668825143
2018	4.356199893504815
2019	3.986547237636842
2020	3.70652095183275