Year	% of total merchandise imports
1960	0.09705372616984402
1961	0.19330341732827064
1962	0.30050539543778176
1963	0.5083022704168079
1964	0.24589513762195608
1965	0.3558069519204452
1966	0.1469605878423514
1967	0.15566997964315651
1968	0.1780610093247739
1969	0.1683702554720333
1970	0.1951356473519812
1971	0.1649094349824277
1972	0.08341765694645381
1973	0.1811407869624347
1974	0.07495490001778592
1975	0.04958722680123394
1976	0.03342879920119704
1977	0.04428858350472839
1978	0.06636039473474441
1979	1.1662730615008703
1980	1.601416002381371
1981	3.2217063305146203
1982	1.859439704783037
1983	3.9598710216499375
1984	3.512315325994696
1985	4.050588581641723
1986	3.233955569268744
1987	2.6199116906737294
1988	0.9277722250332127
1989	0.7879462565645189
1990	1.4879003847840997
1991	1.089186316562966
1992	0.580171522033518
1993	1.2149684671827228
1994	2.6025941536738095
1995	3.682533339114809
1996	3.6663652381039613
1997	3.8156433717106335
1998	3.4718865469191464
1999	3.2466770106533405
2000	4.430929768945027
2001	4.150860956056836
2002	5.700279404807056
2003	7.225653376755223
2004	8.505549020937758
2005	10.023672675497266
2006	11.731490732100426
2007	14.199326061944511
2008	14.491428614945315
2009	15.873896507275884
2010	17.4181206695378
2011	17.86567955201348
2012	18.719038379994334
2013	18.815453202932446
2014	19.725149916805325
2015	21.817855564970507
2016	20.957709067786094
2017	22.657311679663543
2018	23.37620249360412
2019	23.81180462351176
2020	25.311537093471202