Year	% of total merchandise imports
1960	0.003872186856248935
1961	0.11388710940280447
1962	0.10321337645358838
1963	0.17083398500607785
1964	0.11749995287508876
1965	0.14698511481742244
1966	0.08990301000352997
1967	0.06290230791284272
1968	0.06834407942960158
1969	0.052602820462818535
1970	0.09726997639626642
1971	0.1329443170290296
1972	0.0962046974465221
1973	0.12786049424187088
1974	0.09419104518586496
1975	0.09772337863931109
1976	0.08709069279045813
1977	0.06326713671196978
1978	0.08659134414664461
1979	0.0886906196347376
1980	0.12815844712979155
1981	0.13862961278701824
1982	0.19840200587989465
1983	0.1634118117771855
1984	0.11502544254049527
1985	0.11727174324970803
1986	0.1880637141055573
1987	0.2761525553641198
1988	0.29124925224944914
1989	0.2742717146154316
1990	0.1267277099753368
1991	0.12271566386866407
1992	0.16782322864459148
1993	0.6039155902598016
1994	0.8782900887797843
1995	0.62390256708637
1996	0.9505052823713154
1997	0.9902297788524197
1998	0.9863352030465785
1999	1.3160308789803437
2000	1.530245336385764
2001	1.3227416434066253
2002	1.337386205166542
2003	1.2019490128666903
2004	1.1508310308309906
2005	1.3498885865275798
2006	1.4922842861307857
2007	1.7930572224454964
2008	1.8767645509815603
2009	1.8636970692511035
2010	1.6388091675791732
2011	1.8162236112890573
2012	1.8700014533778324
2013	1.9775907256730656
2014	2.1126455501639096
2015	2.256901233116956
2016	2.630318727948308
2017	2.8740341238781784
2018	3.2265197846529934
2019	3.266727903931632
2020	3.652454445351788