Year	% of total merchandise imports
1960	0.16295934164425976
1962	0.0668101848415114
1964	0.28390271600264977
1965	1.196233138203105
1966	1.5294326871776631
1967	1.7433369843008397
1968	2.04343365253078
1969	1.4865336421025916
1970	0.6030926305167246
1971	1.6818050518342589
1972	0.692034255170567
1973	3.2016561521232836
1974	9.284547120087588
1975	4.441468868031782
1976	1.900541410304601
1977	3.644828605129955
1978	0.40428595275853435
1979	1.3285011556395359
1980	4.604445540703356
1981	3.05878386544786
1982	2.8768074832568495
1983	0.005772646536412078
1984	0.01570464792142441
1985	0.12400995225747927
1986	0.001481782542061456
1987	0.8317780458715281
1988	0.8519565675098505
1989	0.33763717292667655
1990	0.3196534786620208
1991	0.10275225721440961
1992	0.14197581950143953
1993	0.06489620363468822
1994	0.2803069748009623
1995	0.10407880990454516
1996	0.3683743105871698
1997	0.3259522014578302
1998	0.2441649999817077
1999	0.26983936214898063
2000	0.4845576286557224
2001	0.4183871225681704
2002	0.46383292423955275
2003	0.25839533095975264
2004	0.31700851105169525
2005	0.18202448567966822
2006	0.3901627981786413
2007	0.4975015252030767
2008	0.5268488830830428
2009	0.33490006960426016
2010	0.6073553837339177
2011	0.87552359118342
2012	1.125064864414451
2013	1.8042340982315057
2014	1.5722413509805764
2015	0.7721830214218735
2016	1.4904556142604544
2017	1.268468060184648
2018	2.0763940114170127
2019	1.6498257862772738
2020	2.1122020932984453