Year	% of total merchandise imports
1961	0.1049317943336831
1963	0.09267840593141798
1965	0.07429420505200594
1967	0.05649717514124294
1969	0.04799208857691338
1970	0.054541172387291906
1971	0.1285748618120644
1972	0.07651462682629201
1973	0.16012905924177695
1974	0.04894135727648208
1975	0.28003112570174765
1976	0.08883707182501888
1977	0.2525348953838556
1978	0.5041934817376932
1979	0.4405234602624505
1980	0.29608297996226723
1981	1.0872047682709447
1982	0.5984461716548197
1983	0.6019312585512802
1984	0.5687339851321399
1985	0.546382187564933
1986	0.8782287774491568
1987	0.8734562564513678
1988	1.780760860876637
1989	2.1596915175170617
1990	1.8144108779662618
1991	3.0012966614381744
1993	1.3675953647916113
1994	1.4159469772780562
1995	1.5672054373357422
1996	1.801014944013135
1997	1.1371311866881595
1998	1.2023379927426072
1999	1.060859510649608
2000	0.8504370055276098
2001	0.8720141734539564
2002	1.3482542495623262
2003	1.9954314335945533
2004	2.9300979579990623
2005	3.7730063453981053
2006	3.4822774372882876
2007	6.227381031140382
2008	5.197683575031806
2009	5.297649626704475
2010	3.0521599216806794
2011	4.424983203513336
2012	2.723433755726644
2013	3.341848967757667
2014	2.6450741157196576
2015	3.116580238099897
2016	2.9917307049236395
2017	3.6905472431943256
2018	2.7392072394179885
2019	2.808210153817243
2020	2.665684683254266