Year	% of total merchandise imports
1960	1.1896121719164434
1961	1.6598975807875684
1962	1.6239367081077865
1963	1.2021849584911295
1964	1.2910399403055413
1965	1.510367028298972
1966	1.673080472153572
1967	1.338293512987915
1968	0.8082061400652772
1969	0.919171179914162
1970	0.9174017958596143
1971	0.9756615257742437
1972	0.6943602495198693
1973	1.3948917641318808
1974	1.0943219876937456
1975	0.731885727852963
1976	0.739573636501202
1977	0.8343450830701643
1978	0.7631067698857299
1979	0.8762265956110701
1980	1.5176627626687442
1981	1.1252898664386763
1982	0.8053877528747942
1983	0.9887632841971888
1984	1.1117230526503148
1985	0.826012105829436
1986	0.8640989347181818
1987	1.121744032944025
1988	1.3777950341673486
1989	1.1725697890655231
1990	1.0738119065744538
1991	1.088308018549472
1992	1.3371657626518718
1993	1.1085120769219177
1994	1.2362300629632443
1995	2.0638449109098196
1996	2.0909732754123875
1997	1.9968650786924584
1998	2.258500086495994
1999	2.5737824686972632
2000	2.9099957583548504
2001	3.0528855074103403
2002	3.0558290111978863
2003	2.5469885762038262
2004	2.3040499634527514
2005	2.763283754739537
2006	3.2552605102997996
2007	3.5301022530737725
2008	2.9312022766040577
2009	2.6752799259858437
2010	3.0207309887838996
2011	3.243774553208013
2012	4.138724615743017
2013	3.8378650932487344
2014	4.331892877758557
2015	4.339041882755947
2016	4.453856674392536
2017	4.883178938808395
2018	4.985537111344445
2019	5.493316868816168
2020	5.264582364317856