Year	% of total merchandise imports
1960	2.3184272701606314
1961	2.317143563002879
1962	2.615298574221841
1963	3.5711327612573953
1964	3.775594073604767
1965	3.4158487771520836
1966	3.6568744578463224
1967	3.4324304371108156
1968	3.364133507211637
1969	3.8519243945858364
1970	3.841137465868942
1971	4.362329082620117
1972	4.994928673951162
1973	5.777557735062219
1974	9.148129868109727
1975	7.434166410167398
1976	9.024611080257216
1977	8.586533338875192
1978	8.30307256003446
1979	10.679476093848518
1980	10.022845295336635
1981	7.936409672556702
1982	8.565169176266762
1983	9.65624497663803
1984	10.356020498583932
1985	10.46063654763421
1986	7.082420627537754
1987	7.872415573308213
1988	6.812366977597066
1989	7.500178848332624
1990	7.262051325519328
1991	5.394167882937763
1992	4.829084015946162
1993	5.3520135208502575
1994	5.686308811192666
1995	6.5145369337149015
1996	7.192315161020471
1997	7.157328097092143
1998	6.82707980808876
1999	7.021874997022587
2000	8.336888795135097
2001	9.211129545056442
2002	10.093854702685677
2003	12.628144770243017
2004	14.870983265778662
2005	16.21449104246646
2006	17.81698049686601
2007	19.103974342518555
2008	20.959136625432524
2009	20.72338306178927
2010	22.916003631695734
2011	23.746338333379764
2012	23.61631413648237
2013	24.88829982328768
2014	25.89883493881034
2015	27.190993853576757
2016	27.4173310741126
2017	27.946852361311176
2018	28.519533909768448
2019	29.552684007281826
2020	30.764647588984644