Year	% of total merchandise imports
1974	2.6607538802660753
1975	16.090985678180285
1976	20.774058577405857
1977	2.39721922569819
1981	0.6042640519895109
1982	4.416908164285001
1983	2.397219225940769
1984	11.041692329884665
1985	2.3972192256567
1986	2.397219225641216
1987	13.266329198408677
1988	35.13953018629377
1989	41.29656054768411
1990	41.07326338481621
1991	36.77645101156985
1992	5.675586428999046
1993	20.429334136172837
1994	21.60695466281539
1995	20.83579420468088
1996	24.319005614630132
1997	14.353978225119851
1998	10.690063495055401
1999	7.309484661466413
2000	11.972907120040539
2001	12.628539029076203
2002	7.1373804469594155
2003	13.447503644138518
2004	13.22989838555203
2005	13.30646754358856
2006	9.61400437228064
2007	21.504784731207806
2008	15.255140909675108
2009	11.731117662056176
2010	15.698780597520415
2011	16.152895730027442
2012	13.458522690409144
2013	7.5506385632868405
2014	12.559667992604581
2015	9.336419606104212
2016	13.87518448773998
2017	6.509166825841286
2018	6.583737537111782
2019	5.831349541246677
2020	6.020942276720867