Year	% of total merchandise imports
1967	2.9749550297495504
1968	2.2604465294066545
1969	2.7555114506428957
1970	3.7996311176563102
1971	3.39331726373535
1972	3.748695548931756
1973	3.009721508089299
1974	3.0837819650067293
1975	2.361162566424489
1976	3.388024551129081
1977	4.777391056116119
1978	3.9200292469089417
1979	3.0720772262366354
1980	3.30562261416247
1981	3.299066912269047
1982	2.696049814355688
1983	3.452920011656191
1984	2.447135128064961
1985	2.4460718013703917
1986	2.5085110526019503
1987	2.587522019664475
1988	3.5278340572717033
1989	3.542681537557954
1990	3.2771949398350277
1991	2.8054171969566712
1992	2.7489993447354117
1993	2.762658422365723
1994	2.7114586083587944
1995	2.8556304456261596
1996	3.5163119878046594
1997	3.795335823449554
1998	2.6965594534274997
1999	2.8908640111785906
2000	2.6004399672013956
2001	3.57257940959763
2002	3.0843354270839023
2003	3.0894030532376044
2004	3.9854046008417456
2005	3.942727896557491
2006	4.3443445706490085
2007	5.093384918561457
2008	5.870376865567
2009	6.324832418878103
2010	6.79515498224421
2011	7.324200979535281
2012	7.4339553048954174
2013	8.021761214449976
2014	8.69765782658008
2015	6.871228765122715
2016	6.868634898527656
2017	7.8338234648527
2018	7.700727650533019
2019	7.686831788512705
2020	8.179206472748673