Year	% of total merchandise imports
1960	80.3540727661354
1961	79.07324364723468
1962	78.92382852817725
1963	77.97437431316638
1964	73.31551564935592
1965	72.99448784821561
1966	74.57146821267116
1967	75.46389308460687
1968	72.93679449681817
1969	73.09456146857065
1970	74.601099080466
1971	76.58971861849128
1972	75.2655286145271
1973	74.55080833479461
1974	72.44583260026619
1975	77.153837015447
1976	79.75401405563439
1977	80.0150146455853
1978	80.85319627937967
1979	78.64333563432365
1980	72.97074239752051
1981	78.0378952994093
1982	75.38133536967895
1983	75.30629937078227
1984	72.29174279147003
1985	73.14406273622453
1986	72.51060951031609
1987	74.18320233587478
1988	73.83597858626825
1989	71.84685996453133
1990	71.02449161997461
1991	72.50940807316532
1992	72.072888276315
1993	70.58557598877205
1994	67.98879773167052
1995	66.90632494050728
1996	62.82281945346529
1997	65.5150966346404
1998	72.07218740966702
1999	70.61724795042397
2000	61.445162824491916
2001	61.33273250518542
2002	60.1267566377333
2003	59.06429979939782
2004	55.51601401990512
2005	54.654091190661845
2006	55.0696150663324
2007	53.90600555619307
2008	51.88311141166968
2009	50.15932801165825
2010	50.66003555273174
2011	49.679634755655144
2012	49.26044956022006
2013	48.751941971935345
2014	48.01288351737212
2015	46.59426140983392
2016	45.49925564598878
2017	46.61155491205216
2018	45.3547330479829
2019	45.07642124179278
2020	43.093813128309336