Year	% of total merchandise imports
1960	0.29933718195424414
1961	0.09827044025157233
1962	0.08073631519457453
1963	0.13060513713539398
1964	0.09228497600590624
1965	0.052119527449617786
1966	0.15187077177964933
1967	0.3185635679119606
1968	0.11682242990654204
1969	0.14144645524607719
1970	0.21720047716581514
1971	0.070902394106814
1972	0.06151688737779307
1973	0.03626646306547051
1974	0.042628906105200724
1975	0.10553376869530712
1976	0.11423313696670084
1977	0.1464588526527338
1978	0.5688672867617169
1979	0.18495599152794967
1980	0.1965438539289208
1981	0.27856760284074367
1982	0.4079450845637332
1983	0.7026014534046807
1984	0.8453616788728193
1985	1.1642115970785882
1986	1.5898748735605441
1987	1.7113390946054006
1988	1.7499994075911116
1989	2.625091118673482
1990	1.4949338075549288
1991	1.1154901658582983
1992	0.425617614294396
1993	0.13834591300043708
1994	0.4183221002502416
1995	0.37144153360250753
1996	0.5458847505830087
1997	0.6650880725553078
1998	0.4971040942126635
1999	0.7411437593948919
2000	0.7013239291098177
2001	0.9504670789738946
2002	0.7727290798079745
2003	0.7873546267765239
2004	0.9342447706250246
2005	0.9296484390089608
2006	0.8960221311209104
2007	0.8528672083227736
2008	0.7339338493928784
2009	0.8173416541107055
2010	0.7300538722907115
2011	0.7354206200704551
2012	0.6051553278039199
2013	0.6083476989453231
2014	0.649810688011409
2015	0.7751439122265692
2016	0.8290182527768755
2017	0.8392067433301648
2018	0.7820463105282149
2019	0.6755560114233266
2020	0.7573564503497694
