Year	% of total merchandise imports
1968	0.03850057750866263
1969	0.03838403224258708
1970	0.013139741147099402
1971	0.009843246302630608
1972	0.019268235243743177
1973	0.0233730187714557
1974	0.032044862807931104
1975	0.023813723760804376
1976	0.022143489813994686
1977	0.030252609287551052
1978	0.03210552378257486
1979	0.016108797844349963
1980	0.022890895707283795
1981	0.021958820203983424
1982	0.01830924311623318
1983	0.011369282724585443
1984	0.019919326726756635
1985	0.3223365855965197
1986	0.4467528028855837
1987	0.25337737636653784
1988	0.3317167808738464
1989	0.3563912047534331
1990	0.3727977512264267
1991	0.5059307837858
1992	0.914581069642632
1993	1.2438891477582352
1994	1.6027766353022153
1995	0.005301863086137839
1996	0.03602259382056871
1997	0.03413304525217135
1998	0.025045249320834143
1999	0.72280176412503
2000	6.437733479168371
2001	1.9368890587783985
2002	2.441210571432793
2003	2.22559574909448
2004	3.159823225929929
2005	5.300424561609488
2006	3.882618468425932
2007	8.954463539855746
2008	4.48487930814864
2009	4.959836637163973
2010	14.791269832328716
2011	13.16827518434239
2012	11.389013763143838
2013	11.993033720699222
2014	11.611589003515782
2015	16.829563525284943
2016	12.768038612631255
2017	12.685022845448154
2018	11.361284305799371
2019	10.949046596571407
2020	10.644520618133129