Year	% of total merchandise imports
1960	1.976762955278904
1961	2.0172728239581628
1962	2.0266503870067765
1963	2.121371239193658
1964	2.424685035253754
1965	2.676530136065833
1966	2.914519887880947
1967	2.8024900475587007
1968	2.6041167705779413
1969	2.50655899912275
1970	2.1054319666519996
1971	2.223514857470899
1972	2.2224042972680014
1973	2.293525126117682
1974	2.452223520811846
1975	2.2142771867108726
1976	2.1268990614691727
1977	2.209075210978662
1978	2.3899254519657678
1979	2.6235611836899193
1980	2.684867723185449
1981	2.689138956516734
1982	2.8636673211217833
1983	2.9099198875328844
1984	3.183704696164342
1985	3.207302193204621
1986	3.304511634197021
1987	3.6699863535587243
1988	3.6819873919205195
1989	3.8634375159982794
1990	3.8840763248883983
1991	3.7666643482329993
1992	4.158001481304002
1993	4.3781459557204
1994	4.591580682941869
1995	5.280896945535701
1996	5.235370627556778
1997	5.602093245026268
1998	6.029269760338321
1999	6.604731812496863
2000	7.416948860260179
2001	7.862778608121762
2002	8.95093492221832
2003	9.95351680032728
2004	10.469793387149911
2005	11.28644492669308
2006	12.13171009647062
2007	12.983930831830467
2008	13.153358096861407
2009	14.328027259083118
2010	15.173281627441742
2011	15.307152935514335
2012	15.706366285560161
2013	16.059710858659194
2014	17.080978022349626
2015	19.217694200977974
2016	19.97486732498705
2017	19.82704447009318
2018	19.77762098605955
2019	20.800905377025195
2020	21.595544349194295