Year	% of total merchandise imports
1960	4.3363844871015615
1961	3.015780104396102
1962	4.643982286830724
1963	5.032855496753451
1964	5.564995580189328
1965	5.917833122859886
1966	4.798640938364949
1967	4.321426906990664
1968	4.393096195986896
1969	4.524259157976901
1970	3.758907574571957
1971	3.6228324332184125
1972	3.9349970553110762
1973	3.91527220316424
1974	3.8343776593255114
1975	3.0829990337354727
1976	3.5554255260337357
1977	3.813632525901544
1978	3.857271973548611
1979	4.403723082600906
1980	3.908430692985036
1981	4.155681975512256
1982	4.126220552425767
1983	3.89832352059618
1984	4.026651117532963
1985	3.841230236234397
1986	3.720004448514227
1987	3.499936180862003
1988	3.9422489590008927
1989	4.315998674289174
1990	3.7831020078908524
1991	3.4629110472745364
1992	3.3599987589370093
1993	3.366091086643356
1994	3.5619562603374817
1995	3.8127732724755066
1996	4.209273850136473
1997	4.566934804877027
1998	4.458524970933043
1999	3.72294648336995
2000	3.8407667077906473
2001	4.0317255721606164
2002	3.607350290374915
2003	3.878800913769091
2004	3.752657911430867
2005	3.902836423284291
2006	3.9277960599899653
2007	4.130648249436511
2008	4.468350700032139
2009	4.558431765916258
2010	4.687584574400872
2011	4.878395883582254
2012	4.891363673481141
2013	4.5874623706924496
2014	4.545323027576875
2015	4.41456313692156
2016	4.317790734627026
2017	4.517996504166753
2018	4.701711792995926
2019	4.961257279490714
2020	4.962703700260842