Year	% of total merchandise imports
1973	2.8455284552845526
1977	4.194260485651214
1978	5.42907180385289
1979	7.048984468339308
1980	23.921971252566735
1981	20.193340494092375
1982	15.020576131687244
1983	16.409036860879905
1984	23.781902552204176
1985	8.9171974522293
1986	6.293164933632196
1987	1.5822784810126582
1988	8.972895054510884
1989	16.858402325754344
1990	16.963119284227567
1991	17.582538114756133
1992	16.142369942296416
1993	13.298259810158683
1994	14.585730723326076
1995	12.168771061739898
1996	11.211690582560497
1997	14.109713950493713
1998	9.72911291882369
1999	10.158880925850418
2000	22.81908534640391
2001	15.475746878451407
2002	15.758958535986336
2003	19.374395529731554
2004	28.15439448201697
2005	24.14705682866804
2006	28.24647931119924
2007	29.89013749441819
2008	36.923009718430286
2009	30.87957152662813
2010	48.36166765746094
2011	49.298313155736054
2012	29.398452883347193
2013	28.444191562666273
2014	32.03026250099651
2015	27.461305420797068
2016	16.313146533419577
2017	27.014966606379993
2018	29.98105358826992
2019	37.28611412287947
2020	32.906352290945016