Year	% of total merchandise imports
1960	0.645682001614205
1961	0.63441712926249
1962	6.049004594180704
1963	5.792903692976104
1964	5.784061696658098
1965	5.385060799073537
1966	5.71017274472169
1967	5.5361596009975065
1968	6.008583690987124
1969	5.4317244026484985
1970	4.408485913113979
1971	7.196636500529275
1972	6.732658743135164
1973	4.950669902933531
1974	5.55680472485797
1975	7.522705064441689
1977	11.246430461978344
1981	20.730519456597502
1982	17.658151397792153
1983	6.6340824993762855
1984	9.751692210621979
1985	7.317918289009379
1986	14.259722280778181
1987	9.911033814408718
1988	8.73723834629328
1989	9.117886472537826
1990	11.587645432481525
1991	0.6206896551724138
1992	1.2888632312247426
1993	0.4383163240315849
1994	0.9670227855425515
1995	0.7007819194515852
1996	1.5486373658011774
1997	1.350077078044089
1998	5.358453633471984
1999	0.591715976331361
2000	0.25035773335306993
2001	1.3362968970346674
2002	0.8783931921696032
2003	1.6409305654281763
2004	1.4695658011312553
2005	1.793056840271539
2006	2.0992542432294075
2007	4.160493727743233
2008	2.6803958759275557
2009	3.4886504618267073
2010	2.1002264771170838
2011	11.512489887559195
2012	14.664767823895867
2013	17.021193123270088
2014	15.22362455592901
2015	9.922222337902895
2016	7.946644949243016
2017	10.932495869275886
2018	11.588767477604526
2019	11.793992997916563
2020	10.578874153340086