Year	% of total merchandise imports
1960	0.19243104554201412
1961	0.3144654088050315
1962	0.12917810431131924
1963	0.10158177332752867
1964	0.09228497600590624
1965	0.2432244614315497
1966	0.34516084495374844
1967	0.07240081088908196
1968	0.1557632398753894
1969	0.1890359168241966
1970	0.77314366742443
1971	0.2992633517495396
1972	0.6475809972350475
1973	1.2340141248329835
1974	0.5255799914212637
1975	0.421290804631666
1976	0.9551917596191709
1977	1.065233704511933
1978	0.9940504785484645
1979	0.729164816119793
1980	0.7534398434952723
1981	0.6686469304604953
1982	0.5551995127516351
1983	0.7189319099098315
1984	0.8668101666993087
1985	1.5360149290930167
1986	1.769560797422334
1987	1.5171059789246937
1988	1.5016805184394282
1989	2.263257751668468
1990	1.9447023362331939
1991	1.763080550038732
1992	1.2943099507516658
1994	1.3153280008427868
1995	2.5988813391494556
1996	1.5214186451546925
1997	1.4761849661799369
1998	1.5305014238344006
1999	1.1381686880689499
2000	0.9246485353785194
2001	0.8541683454980994
2002	0.9978333934209268
2003	1.3491705200781767
2004	1.2451700359601343
2005	1.379689025719361
2006	1.3663427486390922
2007	1.397938073602373
2008	1.559205271236458
2009	1.6661945816303358
2010	1.5617593837580304
2011	1.854438446367328
2012	1.8193614327083643
2013	1.7664810906246764
2014	2.0197917086747736
2015	2.081453339356518
2016	2.419484847840387
2017	2.7186698376725382
2018	3.0481830894822455
2019	2.790844072357318
2020	2.9038517153568972