Year	% of total merchandise imports
1960	0.8024326378917139
1961	1.1525552529922107
1962	0.5868943654902875
1963	0.3772068170492452
1964	0.2054018563369837
1965	0.2321099568780067
1966	0.2969548423055574
1967	0.18851501680870056
1968	0.1485381304502557
1969	0.19153611115170077
1970	0.20416560205461132
1971	0.1851045189901296
1972	0.2034531407154419
1973	0.33058839575331933
1974	0.537254452286583
1975	0.8704527965619583
1976	0.6883736153381366
1977	0.5614344701396373
1978	0.7093601722704801
1979	0.8625350079131743
1980	0.7078395990300362
1981	0.6289263012862626
1982	0.6234818970499265
1983	0.6386465174270096
1984	0.6192830195929674
1985	0.5855983640804199
1986	0.4970505645732702
1987	0.4527872933356731
1988	0.5538021748283182
1989	0.6183708169636222
1990	0.5519030623493022
1991	0.5782012357806936
1992	0.5339063225876883
1993	0.6037040521980394
1994	0.6101089733064972
1995	0.7313051993725044
1996	0.7726498922507531
1997	1.0865491336898794
1998	0.7721274816835498
1999	1.056543868909597
2000	1.6140529327683881
2001	1.3844594041195264
2002	1.4805487949704592
2003	1.5617305229107692
2004	2.068438440859741
2005	2.1834932760051973
2006	2.4299719016232015
2007	2.5849942392836693
2008	3.174353633667387
2009	2.7775045751450613
2010	3.0417490950301422
2011	3.7876635734281523
2012	4.217908729097132
2013	4.269471726990594
2014	4.307692719379057
2015	2.497494998649614
2016	2.60053467573891
2017	2.8994278936320876
2018	3.2074618597949875
2019	3.1369203079176753
2020	2.628209242739666