Year	% of total merchandise imports
1964	0.3764705882352941
1965	0.2837454398054317
1966	0.03176620076238882
1969	0.0492300203557837
1970	0.02142076009876098
1971	0.05320549965758837
1972	0.050952628877726655
1973	0.0029201532756008212
1974	0.019681970535505498
1975	0.0012784985313248121
1976	0.004008802920053163
1977	0.11527377521613834
1978	0.047319026630096656
1979	0.012110264865350122
1980	0.013753973101710245
1981	0.02263445501805379
1987	0.02484137285848416
1988	0.2094893240488763
1989	0.20948932404588247
1991	0.10338944766528997
1992	0.02350408297224928
1993	0.10611394758993106
1994	0.64895824943664
1995	0.31255007598776774
1996	0.7288881419878069
1997	0.9632201048773085
1998	0.8600195559119289
1999	1.3123988012715422
2000	2.0185428701958315
2001	0.7667896577892455
2002	0.6344999953859852
2003	1.5667543074524721
2005	1.440182375136925
2006	2.3154605618267152
2007	2.233521316222454
2008	2.9960539094955054
2009	2.49175531413214
2010	2.5145759862656782
2011	3.3231760259301435
2012	2.5951602917810157
2013	3.7781183305986406
2014	3.0364857979487456
2015	3.1484623428514382
2016	2.9439416474843596
2017	3.648609312189371
2018	3.374481666581374
2019	3.3661434996312134
2020	4.043269097355172