Year	% of total merchandise imports
1960	0.2812939521800281
1961	0.6720430107526881
1962	0.9183673469387756
1963	0.9033423667570009
1964	0.5835156819839533
1965	0.686641697877653
1966	0.605060506050605
1967	0.44204322200392926
1968	0.05455537370430987
1969	0.4268237528831803
1970	0.14531010382884582
1971	0.07684973031437232
1972	0.13000686655985352
1973	0.2753447162878637
1974	0.3092340168124807
1975	0.1536449061101909
1976	0.14244666236946305
1977	0.5789927468429016
1978	0.5475027771269252
1979	0.6216666666666666
1980	0.4489262735830871
1981	0.28585165083854513
1982	1.1428851655931684
1983	0.9803386534234954
1984	2.0699057856863505
1985	4.230250283870085
1986	3.608397170299768
1987	3.433081064672384
1988	4.54359201046993
1989	1.7189153319059938
1990	1.9948194688380703
1991	3.580365223872651
1992	2.832230106941874
1993	2.1237058667374566
1994	2.2619734564339296
1995	2.1431501230516816
1996	1.482187743780879
1997	0.5104152296868534
1998	0.48937453911644435
1999	0.41360047268625455
2003	8.176479760151418
2004	9.064756949836251
2005	9.541866512729142
2006	10.819961407035523
2007	11.081895300328123
2008	12.946780653430737
2009	12.11042124039695
2010	13.083195138313425
2011	13.643012318090356
2012	14.828277622161954
2013	16.5513095546764
2014	21.90562978953134
2015	22.64028288200894
2016	20.960272931287026
2017	18.130366058919527
2018	15.9735591832027
2019	16.359998016139958
2020	17.6563630793097