Year	% of total merchandise imports
1960	20.248600436474057
1961	18.669808850484422
1962	18.724547971982407
1963	20.545666278489435
1964	20.364558990452025
1965	18.08270905658079
1966	18.788720977360892
1967	19.74056603773585
1968	20.42072213500785
1969	16.69572518706937
1970	16.08728969351971
1971	16.9412346776709
1972	15.659182857999102
1973	16.091871680986472
1974	22.025546035203433
1975	19.937154279541232
1976	21.41279193506238
1977	22.59144381229875
1978	21.82817309893912
1979	22.76529248032963
1980	23.98428964635694
1981	26.610190896756862
1982	27.351265799159368
1983	28.537239874120495
1984	26.36370738024349
1985	24.125512111314592
1986	19.111561760314032
1987	18.035372793488204
1988	16.54555919022489
1989	15.543998734946154
1990	13.518920220105063
1991	11.803769446616302
1992	3.4168250581024733
1993	2.993384499348594
1994	2.7784625057937573
1995	4.840446308744519
1996	4.72426329812179
1997	4.186751404624088
1998	3.936426289869531
1999	3.027985555680611
2000	2.277456683837845
2001	2.1703330970599852
2002	0.014723458164656186
2003	0.01730139422590494
2004	0.013041739889336837
2005	0.0044416258442467405
2006	0.011770596958974965
2007	0.015037870756558503
2008	0.01234568185468444
2009	0.0002579921725144311
2010	0.004427673879531995
2011	0.03501193447318152
2012	0.0006911109819068158
2013	0.03863440023912382
2014	0.04275575808970506
2015	0.015589935400758747
2016	0.02245904020381389
2017	0.0001393549713014029
2018	4.893411615092314E-05
2019	0.07482922537076678
2020	0.13463665521105422