Year	% of total merchandise imports
1960	2.909090909090909
1961	3.8873994638069607
1962	5.155642023346303
1963	4.863731656184486
1964	4.277891854893898
1965	4.377736085053159
1966	4.746600741656366
1967	5.076890667790184
1968	4.7158026233604
1969	4.736530491415039
1970	5.317231434751261
1971	5.205362236166572
1972	5.887984681665869
1973	6.187242440071971
1974	6.754017663240192
1975	4.792548687552921
1976	3.947696139476961
1977	3.9714436805922793
1978	4.559580987981658
1979	5.8180038033552375
1980	4.951298701298701
1981	6.330458021642399
1982	6.420140435376472
1983	7.281098646710992
1984	10.176285091339835
1985	9.090451781770307
1986	7.153887061251582
1987	7.846124455544727
1988	5.7093182943680185
1989	5.413779304046398
1990	5.349708708513566
1991	3.170019588809188
1992	3.963623918306098
1993	2.937524346511285
1994	2.3250846919636627
1995	3.6469249074061976
1996	3.3198616318252534
1997	0.0005230710229605436
1998	0.3277242909690391
1999	0.4684519106392933
2000	0
2001	0
2002	0
2003	7.1694525392398205
2004	16.33543012680501
2005	15.250274218739666
2006	13.075826154436223
2007	12.964372343424033
2008	21.454569353022954
2009	16.430945348168297
2010	8.023818308695905
2011	0.17547634078587243
2012	0.16709419779908571
2013	0.1690444819273163
2014	0.1613460237912142
2015	0.15241445609608617
2016	0.12093924541808547
2017	0.09366753361057553
2018	0.2311183905673636
2019	0.21516479941256508
2020	0.18982279624253098