Year	% of total merchandise imports
1967	0.012728314134792846
1970	5.694605267064516
1971	16.497056185908683
1972	15.902247886162096
1973	49.969285462221116
1974	21.751615218951905
1975	18.082108655167364
1976	16.71339504039124
1977	21.573598755311874
1978	19.68806954931384
1979	16.646508226066715
1982	6.1024226410957545E-05
1983	16.646508226405647
1984	30.56807890893988
1985	45.01595339672513
1986	24.75061858755234
1987	20.12779006387859
1988	14.326626482157511
1989	8.403495699657885
1990	1.5377221165716608
1991	1.462688038634537
1992	2.207002597696321
1993	1.226267958115985
1994	0.4757311735672452
1995	0.3793666301449956
1996	0.29918726511162813
1997	0.011655450116194569
1998	0.09882863648475251
1999	0.17959519311952343
2000	0.10114225425734605
2001	0.02963805985294254
2002	0.014953269506186355
2003	0.04787667624192811
2004	0.02999189886839638
2005	0.029162437768909796
2006	0.03127052155226462
2007	0.020538616890121708
2008	0.9759809941201945
2009	0.034886525611958236
2010	0.02483741160892955
2011	0.05929392104365893
2012	0.0380188740900226
2013	1.5612645457207879
2014	0.11606667443637023
2015	6.844037666605902
2016	0.026190310080259068
2017	0.017012451632019813
2018	0.10421323047485358
2019	0.08879661253116528
2020	0.08712476239629048