Year	% of total merchandise imports
1960	1.0015870216892966
1961	0.8014370595550644
1962	0.5900470092397472
1963	0.9219879249323379
1964	0.9508179639470667
1965	1.0176717321047926
1966	1.1142000306459734
1967	1.0366333893867474
1968	0.9673258813413586
1969	0.7995934270709808
1970	0.692342831039799
1971	0.6839925947909159
1972	0.651227408611087
1973	0.6634981883205496
1974	0.6319729710021632
1975	0.6400195222592578
1976	0.7417692841743706
1977	0.8909084581616064
1978	0.8384013056910253
1979	0.8098025432045491
1980	0.876449598572703
1981	0.9244070050986477
1982	0.9239926634290395
1983	0.8987463995143673
1984	1.0217124029718117
1985	0.904215373178484
1986	0.960887261705994
1987	1.1425271326907005
1988	1.2430952358315666
1989	1.4209582467311428
1990	1.5582041724108633
1991	2.1196005886046647
1992	2.5915578006292947
1993	3.2071963129830685
1994	3.43971326279581
1995	1.2598448946798104
1996	1.4156677587228697
1997	1.5604477388848939
1998	1.7465448198799995
1999	3.417834310391077
2000	3.7978596967849776
2001	3.88476019339467
2002	3.7145475100557164
2003	4.156320242724104
2004	4.13736307327805
2005	4.500711545527049
2006	4.964169601854462
2007	5.337342793083446
2008	5.2205318924673945
2009	5.999857746525783
2010	6.188799974468714
2011	5.9517546946685655
2012	6.349175925768384
2013	6.6570504896741935
2014	6.8355378019986315
2015	7.533888256333183
2016	7.1730037193042175
2017	7.023547904548844
2018	6.907684743795646
2019	7.5951775210573
2020	7.933395437046724