Year	% of total merchandise imports
1960	2.0739790463972634
1961	2.515723270440252
1962	5.506216696269982
1963	6.457698447250036
1964	5.592469545957918
1965	4.343293954134816
1966	4.37663951401353
1967	5.676223573704026
1968	6.879543094496365
1969	6.970534191706214
1970	7.021314906930158
1971	7.18232044198895
1972	6.620672320046568
1973	7.961920213781255
1974	12.93800539083558
1975	16.921706607680324
1976	22.380922676252375
1977	22.62435633145588
1978	25.963129052663152
1979	21.318102592344758
1980	37.14600586892729
1981	28.91714273925674
1982	30.97420415820255
1983	30.900352429836104
1984	30.901313375419342
1985	27.689364814162705
1986	15.307311615892988
1987	19.918077247316333
1988	20.342895513363924
1989	19.64338528998885
1990	18.654639148423442
1991	9.820357947808338
1992	11.510901413340218
1993	11.272705959412074
1994	7.390371691626095
1995	7.4357913808775935
1996	8.219411316300427
1997	8.35107111993438
1998	8.51419733928151
1999	9.795380841351982
2000	10.53096302782306
2001	12.066724875090197
2002	11.856600002322795
2003	12.721495107088954
2004	13.017374555758071
2005	14.94460028897439
2006	16.11985596489289
2007	16.78591224068311
2008	17.515496794908735
2009	18.71517559373172
2010	21.143643725692822
2011	19.808314777239367
2012	20.431545588623827
2013	21.008395867828746
2014	22.169963962412563
2015	23.377444034138854
2016	24.576693419115283
2017	24.73924494737706
2018	24.67062006060706
2019	24.524395859731026
2020	26.042327612962303