Year	% of total merchandise imports
1969	3.1391830559757943
1970	2.765625
1971	1.9227196730447722
1972	1.4454000144540002
1973	2.4634848796543922
1974	3.192824450022147
1975	1.7635564240351735
1976	1.7900234107689539
1977	0.6105773547634012
1978	0.8184812906495481
1979	1.5660849980002949
1980	1.9801911429682726
1981	4.464444546933988
1982	10.204050251410822
1983	9.932508821816437
1984	12.87088738080921
1985	12.732148960971804
1986	13.154976182684267
1987	11.404551256657424
1988	11.874310196053164
1989	7.989259549779278
1990	3.6535157446284354
1991	4.320258093045444
1992	3.9468589718904927
1993	3.7546678994052964
1994	5.788055229150794
1995	4.337332932487436
1996	2.9655805521126184
1997	2.5492783914320825
1998	2.431652603956622
1999	1.6772179905759723
2000	0.8296704931411466
2001	1.8622055768413668
2002	0.006790807092484002
2003	0.40434950334976816
2004	0.119773283911985
2005	0.18437368424179099
2006	0.10527725037167893
2007	0.03387808096976377
2008	0.0016003135136548811
2009	0.49073567617376757
2010	0.002496022769931296
2011	6.11879924945526E-05
2012	0.0003991491761614503
2013	0.13446946705639926
2014	0
2015	0
2016	1.0711235942157737
2017	0.6485737404073117
2018	0.06151045788331047
2019	0.04923782457275478
2020	0.02690852871670024