Year	% of total merchandise imports
1964	2.669902912621359
1965	2.570480928689884
1966	1.5665796344647518
1967	1.6518424396442184
1968	1.1379800853485065
1969	2.140559724943621
1970	2.3756700812058806
1971	2.5540617376790595
1972	2.8704296389983575
1973	2.917015926236379
1974	2.2844733522464167
1975	2.552677471481369
1976	1.1592639038758785
1977	1.6938182871060317
1978	1.5854508099938602
1979	1.713841991884174
1980	1.2156156703662344
1981	1.3381512527740407
1982	1.7412114210265721
1983	1.5628651460584235
1984	0.8334380520834104
1985	1.1696052004580273
1986	0.8215149416068152
1988	0.45665270766179766
1989	0.9815762895729326
1990	0.808029314551791
1991	1.0808611945618682
1992	1.4560486607237104
1993	2.339790793436729
1994	2.7656746189198134
1995	3.9661811518471075
1996	3.0503388381766245
1997	3.0434738816343985
1998	2.6721016287681225
1999	4.101405044345825
2000	5.433979101901755
2001	5.869609471918948
2002	4.0775973808827315
2003	5.010280947247967
2004	6.369540410433563
2005	4.770834998204519
2006	4.19560334130089
2007	5.128428118565609
2008	4.9492589819303445
2009	5.29038304279956
2010	7.8652138442045665
2011	11.812509662138462
2012	8.52215772242374
2013	8.191647874163682
2014	12.177701652988375
2015	10.747904891076562
2016	11.916140511711944
2017	11.327732438082453
2018	9.772468040012493
2019	9.249230919701736
2020	10.016566606456776