Year	% of total merchandise imports
1964	31.03448275862069
1965	39.603960396039604
1966	42
1967	45.54455445544555
1968	48.458149779735685
1969	53.84615384615385
1970	53.63321799307958
1971	54.7400611620795
1972	39.94169096209912
1973	45.95111333352943
1974	48.50145075951527
1975	51.304565457692874
1976	47.86384194239467
1977	45.926194947383344
1978	46.689635016804736
1979	47.17960034074697
1980	49.272971149256925
1981	48.74243784395614
1982	40.50044999295192
1983	43.01273104872893
1984	37.06675791028111
1985	49.81538812051035
1986	62.51479149240913
1987	52.40512276367399
1988	50.47857759469324
1989	47.54605836564181
1990	44.80127627106888
1991	38.78603846279427
1992	46.106891409149235
1993	51.59578583812755
1994	47.70178597137665
1995	48.55176337917095
1996	43.44023274322789
1997	54.13704453911423
1998	44.97798740407906
1999	47.59491578694946
2000	51.57724359880491
2001	67.28274663401452
2002	63.6988072757941
2003	60.63008984621621
2004	57.918440822153926
2005	48.53446086760235
2006	36.10248840649247
2007	39.234703517869626
2008	40.90496776424883
2009	46.352244901195014
2010	40.107468191092316
2011	40.78572706110925
2012	39.51358304119759
2013	40.74343919993185
2014	34.6003998110401
2015	29.530833593627005
2016	29.693547170880013
2017	28.69388138498412
2018	36.40639426934692
2019	32.20951083087776
2020	24.858117913679724