Year	% of total merchandise imports
1960	0.5931105694559876
1961	0.9421514947324249
1962	0.91406418483927
1963	0.9704048476332661
1964	0.732346167763828
1965	0.8168490565413365
1966	1.2696477168338958
1967	2.5006114548956493
1968	2.6309987940918433
1969	2.493701869802776
1970	2.131123150432283
1971	1.8032558785106092
1972	1.76952979835762
1973	1.9835158629844645
1974	1.8134549364182566
1975	1.4646826851342762
1976	1.5244806003795277
1977	1.6146359243600532
1978	2.1560952617166147
1979	2.337344560262642
1980	2.3230018060592377
1981	2.262256430766583
1982	2.800459009719562
1983	3.1650157849322578
1984	3.2675272057023808
1985	3.1259160252116036
1986	3.1137346826781416
1987	3.5955107730246203
1988	3.5349887191320457
1989	3.5966055416611153
1990	3.8785589583758835
1991	3.617750537273099
1992	3.9353191892609156
1993	4.048437222376968
1994	4.08820188279263
1995	4.49436639676732
1996	4.860013325433679
1997	5.147998783694626
1998	5.336659931623786
1999	5.960907952261821
2000	6.898758273726228
2001	7.506454356663348
2002	8.720882765951968
2003	9.717076039490994
2004	10.37103315036246
2005	11.235293058159462
2006	12.078733734976801
2007	12.787383904224257
2008	12.661726058119832
2009	13.592879922638195
2010	14.424976308533704
2011	14.260964838720385
2012	14.670578810802354
2013	14.727409563767582
2014	15.305559859706875
2015	17.184800546433262
2016	17.774949354293163
2017	17.680994918966046
2018	17.58331558114478
2019	18.406561466885307
2020	19.262696845548195