Year	% of total merchandise imports
1969	0.0056079329159271895
1970	0.016887422810404902
1971	0.014465132685870609
1972	0.040550114702150294
1973	0.006195712566903703
1974	0.0074479432946419
1975	0.005450349634130785
1976	0.000827147452031356
1977	0.00034944955870344895
1978	0.0038353525754392546
1979	8.477234387053568E-05
1980	0.0034519897268785724
1981	0.0020131007401067466
1982	0.0007647018714166549
1983	0.00014165349289182772
1984	0.0047787508626348065
1985	0.004815380468960561
1986	0.013155405820916783
1987	0.007809210274470773
1988	0.03243430795495403
1989	0.011563425503422844
1990	0.01416456515155589
1991	0.08131378106304835
1992	0.011369295380694
1993	0.25981130506285705
1994	0.30703531286964303
1995	0.13700069150324654
1996	0.15140098159846666
1997	0.4465375489746541
1998	0.2251957253510259
1999	0.32749744479657533
2000	0.12802015777132297
2001	0.2655583407336644
2002	0.37824593744117413
2003	0.3027020349368529
2004	0.7260935583468026
2005	0.3048906622362849
2006	0.7891022945100438
2007	0.10391103357704583
2008	0.7165200676574996
2009	0.5604933318290554
2010	0.7847699096558626
2011	1.2138581435464042
2012	1.1720896533445073
2013	0.9759936882224288
2014	0.39011588467208175
2015	0.3244848247641301
2016	0.46177480757083134
2017	0.9984987133201639
2018	1.2540130640894915
2019	1.7523899603475495
2020	1.3907509434105587