Year	% of total merchandise imports
1960	1.3525698827772767
1961	0.7751937984496124
1962	1.151315789473684
1963	0.4705882352941176
1964	0.8136094674556213
1965	0.6844626967830253
1966	0.49680624556423
1967	0.13774104683195593
1968	0.1768867924528302
1969	0.1942725178265557
1970	0.1385545705395409
1971	0.05675502000497193
1972	0.13995628220725398
1973	0.12867157689235958
1974	0.1804077856456606
1975	0.2277910557144654
1976	0.4528985507246377
1977	0.04221855535239114
1978	0.06990692194267169
1979	3.7654818591978807
1980	1.1412780910381166
1981	0.8552939141061838
1982	2.378717704432475
1983	3.4486510008703224
1984	0.08765325581011942
1985	0.4417552341377657
1986	1.6365450037545197
1987	1.1469107529108407
1988	0.644883836764576
1989	0.3928424286309846
1990	0.7234814033737249
1991	1.4434747372378183
1992	0.5433707700401299
1993	0.9936616146541047
1994	2.5192329858318234
1995	3.1048337894611224
1996	1.6104505379488383
1997	3.7832310420841258
1998	3.987095187713257
1999	5.352846728255888
2000	4.215368158943593
2001	4.887497451883864
2002	4.5497681292096654
2003	6.552707207251579
2004	4.399504099051508
2005	6.426949946108981
2006	2.334710146749842
2007	5.626702297903298
2008	5.812077986474092
2009	5.876423555814802
2010	4.934615356091405
2011	6.892758938743093
2012	7.341097115840759
2013	9.088009128516681
2014	10.26112105693914
2015	9.57550847940323
2016	9.95966320525166
2017	11.482316968567167
2018	11.285486429068616
2019	10.539891925206097
2020	10.648105077298155