Year	% of total merchandise imports
1960	0.04564839443065813
1961	0.055715447681073775
1962	0.07384142970940263
1963	0.19862248309337455
1964	0.47613645606359617
1965	0.5835700289595932
1966	0.5598599528288211
1967	0.5250177488864002
1968	0.740263909828785
1969	0.743998124553053
1970	0.8641419956931261
1971	1.1529364027627622
1972	1.1483257866429297
1973	1.7471955713583003
1974	4.694921039449128
1975	4.1486869092696725
1976	5.1335473807227885
1977	4.7137356716823335
1978	4.37051673525315
1979	6.200484939964519
1980	5.776875495562865
1981	2.809696375064246
1982	4.566225377533747
1983	5.216990569214834
1984	4.465388852875749
1985	4.155233655388259
1986	2.442594665961428
1987	3.392408099958108
1988	2.3916638207729544
1989	2.9860247865180916
1990	2.560669629344727
1991	1.2385656410910169
1992	1.0194276418481922
1993	0.7120296397391621
1994	0.4229728705908642
1995	0.40879223274600657
1996	0.6967423660700188
1997	0.6109873282745452
1998	0.39470173365313016
1999	0.5451461140148145
2000	0.6727780549315944
2001	0.5068200035479503
2002	0.5673206955675275
2003	0.6037114909720384
2004	0.8014358738537632
2005	0.9074046121475718
2006	0.7405242832631024
2007	0.7579943308288521
2008	0.9939909264448996
2009	0.645075029799852
2010	0.666826882370366
2011	0.7094141382487469
2012	0.6775209922410799
2013	0.6455727960007371
2014	0.5782540002012078
2015	0.40558527770034325
2016	0.40924132373822647
2017	0.5032143568575342
2018	0.5247951179681093
2019	0.5833586707272564
2020	0.4847593056081604