Year	% of total merchandise imports
1960	21.987951807228914
1961	24.357122219011845
1962	20.774601501778424
1963	16.94859762086653
1964	18.067359143846396
1965	21.847208828886746
1966	18.89896251986168
1967	33.261721218248454
1968	28.004259202920593
1969	26.478649632303387
1970	25.28868360277136
1971	25.50790803848035
1972	23.366147268943017
1973	19.00363316084994
1974	16.684597034473082
1975	13.048993786798727
1976	14.772530295151201
1977	15.601565825952424
1978	13.57039856095857
1979	10.375285719126044
1980	11.50414617584724
1981	15.537179352851943
1982	12.124714115111908
1983	13.012632802076368
1984	12.460569288445177
1985	13.687687702988544
1986	13.690856315479715
1987	11.835282756691925
1988	12.244905029898199
1989	13.578785688471267
1990	13.716973515447545
1991	11.570518515823833
1992	7.786696964159827
1993	7.2871139267158105
1994	7.544146448737049
1995	7.5091943847055305
1996	6.2041362411391585
1997	4.929027370772867
1998	9.725658942921594
1999	8.014623163773782
2000	6.632292825895069
2001	8.498797903186265
2002	11.197427914568166
2003	1.4320591827047207
2004	13.952457648338376
2005	14.390075571439695
2006	16.3970821059544
2007	17.200630466562387
2008	3.1490748678852696
2009	1.6072753608400154
2010	0.5993188304094751
2011	0.01604481821666583
2012	0.07873913364768749
2013	0.1672894998950541
2014	0.046786660261596
2015	0.09471644374683824
2016	8.325779728733727
2017	9.53849112746728
2018	6.089632545875312
2019	0.5644589615187119
2020	0.9308284562689145