Year	% of total merchandise imports
1964	0.6786345254429714
1965	1.055858310626703
1966	1.2839217974905166
1967	1.058773290978863
1968	0.9385293066440312
1969	0.7953532541989183
1970	0.9822830745454345
1971	1.026848660895123
1972	1.5496073727029025
1973	1.4399909581291275
1974	1.6101042266526842
1975	1.181663079231772
1976	1.8420928418670286
1977	1.7837564194616653
1978	1.7110149580800447
1979	1.9109433744063764
1980	1.9008791662985791
1981	2.859191443251843
1982	2.3046849764053885
1983	2.3046849762044928
1984	1.8168614225402266
1985	1.2747028596606567
1986	1.2737038197932748
1987	1.1383601232288707
1988	3.9977285246510634
1989	2.3487557529803764
1990	2.8542408566101436
1991	4.481002588829034
1992	3.1158932943173925
1993	1.2973225142871434
1994	4.222677171826373
1995	2.487781862225833
1996	3.289346591161335
1997	3.213408005939975
1998	2.320120957788964
1999	2.3683441241494236
2000	1.6503976672003386
2001	1.9882826258574107
2002	3.9925263416687904
2003	2.385306937149107
2004	2.4860456787399423
2005	3.202167529159272
2006	2.8717258077969237
2007	4.157501875314316
2008	3.7893444155063025
2009	3.5100967834780694
2010	2.808438074404448
2011	3.489450100589771
2012	3.5444523871332345
2013	3.69627829099835
2014	4.271290881516837
2015	4.394098076678051
2016	4.298200973848294
2017	3.012285307578529
2018	4.7989078226626996
2019	5.015771517932594
2020	5.750647797673406