Year	% of total merchandise imports
1960	0.0836470096194061
1961	0.04800768122899664
1962	0.17391304347826086
1963	0.1695873374788016
1964	0.15220700152207
1965	0.20013342228152103
1966	1.0915706488781078
1967	0.8726003490401396
1968	0.4380475594493116
1969	1.1170541972556696
1970	0.8550455409353589
1971	0.5279550630575485
1972	0.6959922846120874
1973	0.981703513757017
1974	0.741289540059804
1975	0.5518175838004804
1976	0.49067763482162585
1977	0.5941378218874565
1978	0.0726650754878342
1979	0.6132005569374802
1980	0.6035346247220006
1981	0.5589813898298833
1982	0.3759567843397287
1983	0.43621811867119276
1984	0.39827414537006306
1985	0.2691738693637747
1986	0.2885243188067278
1987	0.43103825749150093
1988	0.458141874439218
1989	0.47009100286915884
1990	0.75337530814895
1991	0.6460944723100068
1992	0.7771817062770607
1993	1.083539086115799
1994	1.4860901004287674
1995	1.6823518044855508
1996	1.964016998326652
1997	2.2794504944672367
1998	2.828499454533669
1999	3.220620963995418
2000	3.8421203512208626
2001	4.672423331696588
2002	4.324233792990482
2003	4.439762426055411
2004	6.010405959710328
2005	6.823043977059941
2006	7.7637363148129275
2007	10.109641783398484
2008	10.87289025241331
2009	12.768265011926863
2010	14.411534587523384
2011	14.925321289249815
2012	16.20849804550627
2013	18.21539114038875
2014	20.150071347847735
2015	20.088779360160725
2016	20.623025837165525
2017	22.092375405364344
2018	20.20797818027521
2019	20.20083509663247
2020	21.9273733727646