Year	% of total merchandise imports
1960	1.06506674108181
1961	1.0607591283013422
1962	1.7098828413608695
1963	1.5221863062004115
1964	1.5947839111855149
1965	2.0225925293385707
1966	3.0404637417594906
1967	2.478135541004323
1968	2.2527233731312695
1969	2.1560824875429105
1970	2.405335803325576
1971	2.8318236475707783
1972	2.5851128007831172
1973	2.003085473921452
1974	2.4396076511046623
1975	1.749609368875975
1976	1.5115382654056015
1977	1.3715516143913333
1978	1.2256483182548477
1979	1.0601258399520699
1980	1.1281048629169044
1981	1.6159431034277756
1982	1.4301422747231516
1983	1.357003883315664
1984	1.2749300817855393
1985	1.32901200319178
1986	1.5160284100545252
1987	1.8898042339187837
1988	1.7999301863239818
1989	2.4049461248792743
1990	2.680562038119647
1991	2.5348138544553853
1992	3.446873175631429
1993	4.1133624468416885
1994	3.7403248748261695
1995	4.55528661122544
1996	4.485069632506178
1997	4.530351198126135
1998	5.27274854061837
1999	5.632232169460655
2000	7.019306484171796
2001	6.829235987053292
2002	7.429336912328306
2003	7.451197524020552
2004	7.65664957214139
2005	8.108552300879653
2006	8.854538428508123
2007	9.38588218927292
2008	10.923465364160384
2009	11.187127427839764
2010	11.576073034442484
2011	12.95406386193745
2012	12.831790680189206
2013	14.032088514877621
2014	15.4118274320332
2015	17.36735991467811
2016	17.04018756629954
2017	16.754637487510962
2018	16.43853000380676
2019	18.67551178799185
2020	19.671402393947034