Year	% of total merchandise imports
1960	2.666666666666667
1961	3.697183098591549
1962	4.3671354552183566
1963	4.7066848567530695
1964	4.334554334554334
1965	4.417051874678993
1966	4.654510556621881
1967	3.897996357012751
1968	4.931862426995457
1969	5.257885152952784
1970	6.122454516351325
1971	5.917782502648851
1972	6.0057258087131205
1973	7.639454453661358
1974	11.598480303939212
1981	0.7923310721522333
1982	0.7066972845957922
1983	7.695541938908263
1984	2.6345297120742157
1985	1.6596586628957493
1986	0.8673540932927527
1987	1.281887316595928
1988	1.1798107931097352
1989	1.311321854368938
1990	2.160412838107361
1991	0.9417823059329505
1992	6.424762726415432
1993	8.330572825299685
1994	9.441923287138914
1995	10.047867042352179
1996	20.1774899578579
1997	9.611714373031294
1998	11.850891957787205
1999	11.47000011088603
2000	7.54634916504756
2001	7.612306390240945
2002	7.66137655241362
2003	7.763244601105325
2004	7.771032305264305
2005	7.848533852149712
2006	7.9697167004720875
2007	9.603439114590378
2008	11.854692541397828
2009	12.365133758833405
2010	7.894080929788891
2011	7.522592487551454
2012	7.639193253218981
2013	5.791602347599177
2014	6.1066311755858225
2015	7.300190520692162
2016	7.38191860781331
2017	9.740240899774752
2018	11.844067821705945
2019	7.3251949840183395
2020	5.4239617032872145