Year	% of total merchandise imports
1960	77.69509149294052
1961	76.0831752055661
1962	72.12898359419196
1963	72.21271702241046
1964	73.04567163561933
1965	67.71131574195877
1966	72.76997001336754
1967	70.61276271910593
1968	70.77933645990421
1969	71.03858578610101
1970	70.28266817056257
1971	70.35398251695834
1972	71.60517797182759
1973	74.11759996970038
1974	73.68056836021628
1975	79.05362743745576
1976	81.3820974621043
1977	81.37787618218196
1978	83.26531038073664
1979	84.3015536369364
1980	84.88645663980712
1981	85.46201872158933
1982	85.28997497066374
1983	84.76275795528913
1984	82.57371747268877
1985	81.54804627160424
1986	80.7077231778815
1987	79.23521039173654
1988	78.90567193118636
1989	78.7775727012777
1990	77.57785398936544
1991	77.8555600707507
1992	78.04862614487789
1993	77.84292620608724
1994	76.0962782014104
1995	74.2980770878119
1996	73.80239009540635
1997	75.73731107437025
1998	75.87218747418869
1999	75.26386674816766
2000	73.07144358988977
2001	72.11707594965046
2002	71.11185890129259
2003	68.31733961158761
2004	60.98308079536834
2005	62.19555526123182
2006	61.726071372375536
2007	59.326833236898366
2008	57.309545530361916
2009	54.33303433435609
2010	53.06250145109367
2011	56.5214322671485
2012	56.82800542856449
2013	54.12122140151858
2014	53.11514232916667
2015	52.78527710438403
2016	52.93384405295408
2017	55.05767060642136
2018	55.32576829763083
2019	52.700893767072365
2020	52.02120321825448