Year	% of total merchandise imports
1963	0.777000777000777
1964	1.1838440111420612
1965	1.1229073091057573
1966	1.7461509575666543
1967	1.9413830421626876
1968	1.6365999684890502
1969	2.1737833376424494
1970	1.8552112359970823
1971	1.546750894142784
1972	1.5666251846338144
1973	1.4369421870260086
1981	3.035949795983437
1982	1.1544691224985513
1983	1.0834651674935092
1984	1.0473435333512155
1985	1.1477406711559863
1986	1.5327898910979365
1987	1.8494367960983353
1988	2.6369939127482094
1989	2.920320899306096
1990	2.792061611715136
1991	3.6354182210957013
1992	3.545082793326113
1993	3.6540783669057184
1994	3.8337742671461243
1995	4.946312725651215
1996	4.910329930272433
1997	6.597580866005661
1998	7.330866419805339
1999	7.789173467825751
2000	7.904769847255016
2001	9.215109522416617
2002	9.833478158669946
2003	10.056240780417356
2004	10.34961200636314
2005	10.393039771888098
2006	10.528644006984857
2007	11.387520437436484
2008	11.365720347210184
2009	11.721803432056229
2010	11.89370853430305
2011	10.358602730534503
2012	10.42795863581431
2013	12.907356334304348
2014	14.027750464974783
2015	14.184356429267064
2016	13.752436999646756
2017	12.392836675681203
2018	13.114097119725669
2019	11.181320647454031
2020	8.666762215594431