Year	% of total merchandise imports
1966	0.09870487243143003
1967	0.4529908722339245
1968	0.7045163829577881
1969	0.14333321388898843
1971	0.7081436519979768
1972	0.09642994899927142
1973	0.05106840478430318
1974	0.06495726495726495
1981	0.3905260920591796
1982	1.0094023924544693
1983	0.0960729262610811
1984	3.088259402650864
1985	2.765581828891591
1986	2.4140712757895626
1987	0.7659966596915562
1988	1.133507836499358
1989	0.7719039127116989
1990	1.7609822433073696
1991	0.9638979088942102
1992	1.3595984918644184
1993	0.9066049494199097
1994	0.6257623448538432
1995	0.547064834255342
1996	0.7669803682261803
1997	0.3544140614202542
1998	0.7317250949765183
1999	1.1602829180633543
2000	0.2849670337661859
2001	0.21731701897694675
2002	1.2452306420463553
2003	1.0641491707672808
2004	1.2143004245051148
2005	1.0603261758739222
2006	1.2375222136356585
2007	1.2284491684168313
2008	2.749820877077442
2009	3.053114834749569
2010	2.0382866370449344
2011	2.5734096950420207
2012	4.4423583390211485
2013	2.780925752806907
2014	1.904894115294747
2015	3.0723354382697288
2016	2.3626381984260028
2017	2.0232913333174376
2018	2.294702566753086
2019	3.143702888004365
2020	2.3326937244797197