Year	% of total merchandise imports
1965	0.07173601147776185
1966	0.05564830272676684
1969	0.013493341879116525
1970	0.011935310616458793
1971	0.008906049040897101
1973	0.001023570788108564
1975	0.22337669120012152
1976	0.09145421344803724
1977	0.01507658907248824
1978	0.013055845933864094
1979	0.009448407526490277
1980	0.4351069423892972
1981	0.20777996926251296
1982	0.22236683188713843
1983	0.6398330935685288
1984	0.5636994547128391
1985	0.3547520432044606
1986	0.24543527574281357
1987	0.2135873059668952
1988	0.47504119697256936
1989	0.4627430393280367
1990	0.08682211001231227
1991	0.05541388150440576
1992	0.04836453498755565
1993	0.15124174801350257
1994	0.10517984594078979
1995	0.24954205656116327
1996	0.1177298278813171
1997	0.6702784051746503
1998	0.5860400889241678
1999	0.6037256156112091
2000	0.8368946570985435
2001	1.194975254526129
2002	1.0568043931057787
2003	0.7427988118494173
2004	0.4759430056194222
2005	1.796438241490209
2006	2.2805070013337208
2007	3.1972628077579426
2008	3.1907705359323484
2009	2.6737417928978675
2010	2.7635298153886203
2011	2.3344179695601692
2012	2.138617521058954
2013	1.9902147406097483
2014	2.3642432574635617
2015	1.619307019551489
2016	2.487596378453287
2017	1.3701043427630417
2018	2.999425888979267
2019	2.635471355919899
2020	5.288864734257699