Year	% of total merchandise imports
1960	0.6736882057121168
1961	0.46259928428035263
1962	0.17103762827822122
1963	0.4741307602728332
1964	0.6676904587033451
1965	0.5664169559656496
1966	1.1059000636905796
1967	0.9846698113207547
1968	0.7786499215070644
1969	0.6776479885412293
1970	0.5062077452427419
1971	0.6155820782079642
1972	0.5135233005344388
1973	0.6484352974344516
1974	0.5522678995012386
1975	0.8613359512479121
1976	0.43037606381689014
1977	0.34383057501883507
1978	0.4216806166840512
1979	0.5525675586823592
1980	0.4661489653017128
1981	0.47680093243579796
1982	0.5096792014752103
1983	0.5924108672124151
1984	0.6111747779468104
1985	0.5944833575622558
1986	0.6857113048467974
1987	0.9389261646785592
1988	1.184953698558486
1989	1.281815561392396
1990	1.4480013046690146
1991	1.9485135860553469
1992	2.318339534869966
1993	2.9219628829916635
1994	3.263332269442217
1995	2.6914098787343312
1996	2.980556999977079
1997	3.2680453431174166
1998	3.382146017159441
1999	2.8235687788359716
2000	3.886871844289846
2001	3.611538410350505
2002	3.8473417992060206
2003	4.175656581746236
2004	4.446009080907271
2005	5.3711168372256015
2006	6.4721152088195
2007	6.47114605132227
2008	5.920444010160727
2009	6.28488843756695
2010	5.647934376701891
2011	5.190261581484584
2012	5.270721810428154
2013	3.641605676981697
2014	3.8618381906555066
2015	4.273302435671728
2016	4.1244451198604315
2017	3.9510635040275264
2018	3.9329779499096182
2019	4.414568457164449
2020	5.107661293273362