Year	% of total merchandise imports
1960	1.6
1961	1.1952191235059761
1962	2.054794520547945
1963	1.7241379310344827
1964	2.0114942528735633
1965	1.9417475728155338
1966	1.257861635220126
1967	1.5037593984962405
1968	0.18656716417910446
1969	0.766156477425435
1970	0.6385892563128011
1981	2.5922750204390916
1982	2.0162083120674383
1983	1.2493307183644597
1984	1.1187424941169206
1985	0.6894986492838854
1986	0.0031058668893780284
1987	0.008682934461702452
1988	0.0007600353077304161
1989	0.28176430495862465
1990	0.013565346855053138
1991	0.020536604720939152
1992	0.05228165024554177
1993	0.3977879781049187
1994	0.04410884664871933
1995	1.8596145663291133
1996	0.08015269322786939
1997	0.5175090936717632
1998	0.3717323308671674
1999	0.43599841969902087
2000	0.7223971643869103
2001	0.23004497670314636
2002	0.3698114036757
2003	0.6540589261599218
2004	0.7349612303481732
2005	1.0215081827776888
2006	1.3209626447769507
2007	1.432226076674429
2008	2.1436776042268204
2009	3.070684804079692
2010	2.307045056243964
2011	1.2698631052475584
2012	2.1151091439998604
2013	1.526380827681428
2014	1.85553504610141
2015	2.1071037750961854
2016	2.1375363215852197
2017	1.060854138040532
2018	4.232110384035562
2019	1.5671130808796772
2020	1.6896569209781207