Year	% of total merchandise imports
1960	0.7309941520467835
1965	0.5333333333333333
1966	0.5805515239477503
1968	0.9971509971509971
1969	1.146212345987476
1970	0.42626332072877277
1971	0.31659664624237094
1972	0.7223641614167658
1973	0.8824974267802002
1974	0.17904668164658194
1975	0.3301535183681845
1976	1.4093931663251225
1977	4.300619848600971
1978	4.871747889311955
1979	8.758194636751533
1980	11.259999445946365
1981	15.912980991449041
1982	15.81398966417201
1983	18.253601951658705
1984	15.04465507112362
1985	13.279424495705936
1986	7.142011431480675
1987	6.843939529727122
1988	4.764088745527751
1989	6.475426078718602
1990	5.952970371146995
1991	4.759950759387153
1992	2.112843238288422
1993	1.2899181842369993
1994	2.762974976169848
1995	3.9750720764063483
1996	4.351946347155341
1997	3.4151685033283736
1998	3.766017242378108
1999	4.9296718168957945
2000	5.659663626522707
2001	6.082950157391894
2002	7.705725958858174
2003	8.184034716698738
2004	10.6745567217047
2005	13.955572810504306
2006	9.019892304461608
2007	3.3608818632259854
2008	2.1247862925189103
2009	1.8784478939452591
2010	2.0138986575613105
2011	2.4070192046278676
2012	3.0794680074109957
2013	2.9268282142582076
2014	3.095996083582357
2015	2.741559606432493
2016	4.003833697331408
2017	4.927587566936163
2018	5.573387686984169
2019	9.209461025890647
2020	13.965770027551377