Year	% of total merchandise imports
1960	3.7019898195279963
1961	5.133079847908745
1962	5.428443248093315
1963	4.837993786063027
1964	9.08768193113241
1965	10.854816824966079
1966	9.772798008092126
1967	11.107921928817452
1968	10.156657963446476
1969	9.934134337000579
1970	7.084777836795393
1971	8.757258625430666
1972	7.821388220268222
1973	11.859022112260392
1974	18.769961650123896
1975	17.500313612936687
1976	21.20923803860433
1977	28.016436742426876
1978	21.786231387072682
1979	32.40453345096779
1980	37.12478630156987
1981	30.4206842834025
1982	29.600269933284196
1983	27.36157801299397
1984	23.606200224454753
1985	23.017782266703392
1986	12.317611270024063
1987	7.363158120741857
1988	7.495932648242724
1989	9.782211681418255
1990	9.522065524071996
1991	9.856707585027383
1992	7.992299630309227
1993	8.211817428698781
1994	7.370657739257484
1995	5.857558007253102
1996	5.830194207341479
1997	6.471154602388782
1998	4.76973575848989
1999	5.491457621197123
2000	7.042042597758827
2001	6.258561360429791
2002	6.333604176162601
2003	3.4694548474051525
2004	6.347626322810839
2005	7.293749638759022
2006	11.056504348193915
2007	11.095691068766605
2008	12.546235752601062
2009	15.10574001402829
2010	15.990239422215033
2011	16.25139960877493
2012	16.91012767099888
2013	16.30616997738446
2014	13.678789428583283
2015	9.477979511786407
2016	1.6429058037978561
2017	0.7283104343170915
2018	0.1903803884373504
2019	0.2597987475022447
2020	0.21757253371568697