Year	% of total merchandise imports
1969	0.0033729087965461415
1970	2.847302633532258
1971	16.668616212422506
1972	16.32707774798928
1973	5.058096221458353
1974	33.648429844739866
1975	50.50463482852181
1976	63.55218855218855
1977	50.22919820941698
1978	43.83346774961739
1979	55.60599118340955
1981	16.377543580778468
1982	20.339469941006378
1983	55.60599118544464
1984	11.19383371664683
1985	2.729726876971075
1986	5.554484364393686
1987	25.769066977975452
1988	17.780487616636695
1989	42.67156484754695
1990	0.9834516058934416
1991	0.0202219438913329
1992	0.0011870121292273435
1993	0.3702577424727709
1994	0.117122219126652
1995	0.00041454986070373897
1996	0.27832960477982716
1997	0.0054885452928112
1998	0.6053092940599737
1999	0.5206423427475216
2000	0.1901677584425263
2001	0.007444100563123387
2002	0.01651461441264216
2003	0.003744336808369931
2004	0.012091035231794722
2005	0.014925809035959896
2006	0.02357181702193684
2007	0.02305478942464902
2008	0.010619042880102174
2009	0.01711360094145547
2010	0.02781012347084328
2011	0.046589248355823384
2012	0.039080669478684424
2013	0.018714976909174202
2014	0.034164042931763644
2015	0.00984223224047486
2016	0.004632366966955568
2017	0.005737605792275897
2018	0.0030209059511178754
2019	0.004725597277171471
2020	0.005666750617661358