Year	% of total merchandise imports
1961	5
1962	4.263565891472868
1963	4.513888888888888
1964	5.246422893481717
1965	5.389221556886228
1966	5.851755526657997
1967	4.807439249056935
1968	4.441776710684274
1970	6.305696234448279
1971	6.348272219707258
1972	7.295242939289902
1973	8.551019560612982
1974	8.64562207918173
1975	7.988777933639811
1976	8.717019848256468
1977	9.180079655047562
1978	8.042601248348385
1979	7.62317569860844
1980	6.052212491155299
1981	7.213779980761852
1982	5.961426806614925
1983	4.902831023061139
1984	4.9071470652261615
1985	6.561763635555278
1986	5.882673803172222
1987	8.47507690394343
1988	8.39577309580315
1989	7.571075630848748
1990	6.511708750711957
1991	7.200960588427972
1992	8.962181385362042
1993	8.829524430058221
1994	9.116066956610767
1995	7.719268851932491
1996	7.162508319182577
1997	7.675461217123954
1998	7.019615106281721
1999	7.501849568580908
2000	7.625784666495047
2001	8.018997842161792
2002	8.825210165966112
2003	7.922021452198813
2004	7.741930595023081
2005	8.046412001268772
2006	8.158799725357746
2007	9.714530280611397
2008	10.27903212980434
2009	11.81814952899343
2010	10.442823802359404
2011	11.655618234159657
2012	13.264071494762605
2013	12.51465485625522
2014	13.763463823883642
2015	11.07777540751367
2016	9.98342367630337
2017	8.153649052414902
2018	8.109786794802803
2019	8.123780733465741
2020	7.350014604852727