Year	% of total merchandise imports
1960	0.2109767206934185
1961	0.26005328236985853
1962	0.2678931118764339
1963	0.25840562279021456
1964	0.2846838425124219
1965	0.322177669951028
1966	0.3310135683896013
1967	0.3136432179636423
1968	0.3433287448264037
1969	0.3250367064708517
1970	0.3561221296642418
1971	0.4104536197269753
1972	0.4324759031974606
1973	0.42824883727838264
1974	0.4152409234199478
1975	0.4612961927679309
1976	0.38960190082703766
1977	0.3852236412143462
1978	0.4660453929722785
1979	0.5167321274996306
1980	0.5796703920830244
1981	0.7624143982806049
1982	1.1568445671671448
1983	1.2371501941279541
1984	1.1580347815251852
1985	1.3421735795149194
1986	1.2270433964029923
1987	1.040190731500829
1988	1.1449849740297287
1989	1.1577766804142169
1990	0.974433431729041
1991	1.05090438052097
1992	1.338977579417573
1993	1.9257105888437396
1994	2.4404004627112603
1995	3.2458825923826886
1996	2.724563104077038
1997	2.6434818967402527
1998	2.3786947350572527
1999	2.4906004041081267
2000	3.0561192687623326
2001	3.180057392330732
2002	3.258711260674576
2003	3.819408421083455
2004	4.381804153136822
2005	4.22524649964413
2006	4.368792710063046
2007	5.130282111426658
2008	5.965526661852152
2009	5.679037845913002
2010	5.09234183172104
2011	4.413622640081976
2012	4.947261152749938
2013	4.624798049420268
2014	4.628550745590155
2015	4.220201025276578
2016	3.8809658166034295
2017	3.929855737300442
2018	3.9674281139995977
2019	4.277553741483584
2020	4.350344269864559