Year	% of total merchandise imports
1963	0.2932551319648094
1964	0.27548209366391185
1966	0.5333333333333333
1967	0.5847953216374269
1970	0.029005555679510922
1971	0.038700992764597
1972	0.025466676853337405
1973	0.007126567844925884
1974	0.01396928991305514
1981	0.0013916189747247203
1982	0.222727125675336
1985	0.0903966148062068
1986	0.04503650008923137
1988	0.0443330155954759
1989	0.004873942729056756
1993	0.6864846040754607
1994	0.012508142235553006
1995	0.32313055063987633
1996	0.07123208099310833
1997	0.11090371340398227
1998	0.13006598054487545
1999	0.3566153210970095
2000	0.002159893984632187
2001	1.0943398276556537
2002	1.8567270588141271
2003	2.0007694703502152
2004	1.1391269032344011
2005	3.1681667344453412
2006	2.846439147407583
2007	1.016900870934021
2008	4.163125984408141
2009	5.037353305103999
2010	3.167801149458798
2011	4.6742821006123245
2012	1.2083786069807998
2013	1.1489109312369303
2014	1.45840474611895
2015	1.58146312550244
2016	3.45995875277962
2017	3.321075559102183
2018	3.061160495276753
2019	3.3217257189618348
2020	3.4351752161439646