Year	% of total merchandise imports
1974	0.03628402142406538
1975	0.0029550652773919777
1976	0.05348274544759964
1977	0.9929096569948458
1982	0.01366610757502441
1983	0.03543065229930955
1984	0.008415649454982356
1985	0.03611987577226969
1986	0.2616507464552485
1987	0.45858521267428926
1988	0.4320312646955692
1989	0.6404337377014558
1990	0.3284311799596931
1991	0.19934286229377016
1993	14.044112067311755
1994	11.248042080465993
1995	11.565883816964822
1996	9.923425757972387
1997	12.97686171630456
1998	18.583780933314163
1999	17.81010160016267
2000	5.838772314357456
2001	5.512516801892549
2002	8.407227035593282
2003	8.959277555641746
2004	9.46959957444265
2005	10.115293910880489
2006	10.990729241387735
2007	12.912729821042102
2008	17.610366835925124
2009	47.35685960870389
2010	35.03177818684268
2011	41.47823039709299
2015	22.99246450548042
2016	31.878101354590605
2017	28.905822659789166
2018	28.0264810913046
2019	25.207425862195265
2020	30.788288682097274