Year	% of total merchandise imports
1960	0.3681444184160103
1961	0.41223222586364633
1962	0.4342187444921171
1963	0.4180139500746778
1964	0.38819598068371836
1965	0.41125047224149813
1966	0.41787073500148925
1967	0.4303817864308939
1968	0.4102733081859984
1969	0.35840602687331496
1970	0.39141103817193584
1971	0.3757531861136824
1972	0.38285481379010416
1973	0.40295197212659556
1974	0.3254903648721574
1975	0.3250238161186641
1976	0.3508309931410189
1977	0.32021206937912505
1978	0.3229720887940016
1979	0.3196671723360077
1980	0.3005341259902661
1981	0.3660987115344064
1982	0.45174845753438886
1983	0.46020723981063333
1984	0.46983450620243844
1985	0.5142080179098037
1986	0.4815223164013261
1987	0.5131034128586776
1988	0.5088243531426001
1989	0.5019691546098637
1990	0.46878196339501566
1991	0.4746884273573129
1992	1.1085153205726972
1993	2.005348251718667
1994	2.666816335166215
1995	2.867418938541585
1996	2.8819591532180713
1997	2.7586441471758514
1998	2.5635571375719763
1999	2.4714008425734804
2000	2.8895169269511434
2001	2.9938629044857237
2002	3.103345512278132
2003	3.414378860099466
2004	3.766442538965662
2005	4.112191111689116
2006	4.429554272185088
2007	4.753492331542701
2008	5.413954216342603
2009	4.681900372424611
2010	4.832838740833238
2011	5.2959506022632805
2012	5.410478813456654
2013	5.246184750449587
2014	4.962980544806645
2015	4.217994209918459
2016	3.925087981629774
2017	4.263049356525215
2018	4.521994285786425
2019	4.560691356445923
2020	4.272582978423655