Year	% of total merchandise imports
1960	3.5670258306821654
1961	3.691193557975518
1962	2.312281817082193
1963	4.390713984567922
1964	4.994218741787986
1965	5.497808019926755
1966	4.848498424294013
1967	4.711210012331155
1968	5.34878488128522
1969	4.974195720911418
1970	5.401022181019846
1971	5.5414812412279035
1972	5.8449316147639845
1973	4.5518463181310596
1974	4.842423495262057
1975	3.898350916992062
1976	3.2484339045806254
1977	2.63069990997417
1978	2.257925001537154
1979	2.7429832490684567
1980	2.558990493313127
1981	2.0870729614513817
1982	2.0093538819323826
1983	2.069491671894487
1984	2.532022065930862
1985	2.628151933800233
1986	2.252283452778032
1987	2.769653607159716
1988	2.643763420874653
1989	3.245667529436174
1990	2.79846798077746
1991	2.5732001999229235
1992	2.7143252786340657
1993	3.010544826396995
1994	3.3863334746375755
1995	3.170749833071665
1996	3.103482710851404
1997	3.0182124894770226
1998	2.622904493027863
1999	3.3461905977786714
2000	3.4300296899368012
2001	3.986692220098851
2002	4.195439800682049
2003	3.907149174771211
2004	4.4278234473196765
2005	3.477923480256945
2006	3.7396060106009417
2007	4.169572002542304
2008	4.7549243704299355
2009	5.461960077707558
2010	4.97290143636599
2011	3.470890947509729
2012	3.763772559351914
2013	3.007448652754932
2014	2.849376486003196
2015	2.6189248851240863
2016	3.0164732598858617
2017	3.2563960385711486
2018	3.413104773689875
2019	3.3690302108947114
2020	3.4855491911623515