Year	% of total merchandise imports
1960	0.303783485225076
1961	0.8274824473420261
1962	0.900360144057623
1963	1.2630422844590883
1964	2.2339800117577897
1965	0.7366071428571428
1966	0.6262453743239397
1967	1.2086513994910941
1968	3.6891936010447277
1969	1.8030322158588792
1970	1.9407499038147789
1971	1.7450386039691168
1972	2.259536939504719
1973	1.317393727944426
1974	5.315462018365659
1975	7.104906708419071
1976	2.8152230313657425
1977	2.491482077095293
1978	1.9071638995138953
1979	3.234358193401807
1980	3.2791894400421073
1981	1.314914280051531
1982	11.528381257445663
1983	10.048868565148274
1984	0.10639027469793075
1985	0.09425723909457605
1986	0.022210615189533107
1987	0.09899528219844943
1988	0.40736181513862507
1989	0.40736181528792553
1990	0.7141123520778418
1991	0.8643576695602497
1992	2.9769008090816835
1993	0.3036160689982152
1994	0.706406247896145
1995	0.44278079193378306
1996	0.6833893644643775
1997	0.5176955690525444
1998	0.24426810292698756
1999	0.29215704976985657
2000	1.3887572898047393
2001	1.2281738090415182
2002	0.799818914063849
2003	0.6639014649146524
2004	1.659811744727696
2005	0.9271935954806483
2006	1.1554383871361498
2007	1.9069423736161606
2008	2.0928788684001756
2009	2.6357290590435682
2010	3.0291015879068297
2011	2.521907710141423
2012	1.9223562338139304
2013	2.2809496874161868
2014	2.2684531277213753
2015	2.284702395823805
2016	1.8971678688146274
2017	1.9668030327064558
2018	2.115750297506771
2019	1.6811228550225172
2020	1.6755655276199175
