Year	% of total merchandise imports
1962	4.761904761904762
1963	6.950672645739911
1964	8.905380333951761
1965	8.924949290060852
1967	2.941176470588235
1968	5.310069371452596
1969	3.100251110681862
1970	1.742600598603259
1971	9.222936848657017
1972	9.994584977179546
1973	19.25485400918927
1974	10.855846663422444
1975	12.916648686635805
1976	4.132162382674727
1977	10.952940089977176
1978	3.4723373222395333
1980	3.0936815414072067
1981	2.533332551681821
1982	5.555134727318452
1983	1.5136920324755745
1984	3.6625390742381256
1985	6.54607231476716
1986	4.277361419615104
1987	4.1606024030480135
1988	10.531506445729095
1989	7.790839202261656
1990	7.955056433819502
1991	9.257586180264285
1992	8.665508557133338
1993	3.285617169991744
1994	3.980213531494966
1995	4.910295094749
1996	1.7675135266096664
1997	2.4898924700664793
1998	4.054473167718234
1999	9.298256660473053
2000	14.917175796471117
2001	16.139899350580496
2002	9.775323114605841
2003	9.255771226895849
2004	8.846962170502813
2005	9.027676340048332
2006	8.718486819160113
2007	9.612752614141101
2008	10.011508289267919
2009	13.464209629188392
2010	11.519598197638102
2011	9.90893451136216
2012	10.934848148791511
2013	14.664361756775184
2014	20.98676268075901
2015	23.920184366387037
2016	27.522655679139053
2017	27.9722954633785
2018	32.96097662023964
2019	31.17937906223266
2020	26.940233997116604