Year	% of total merchandise imports
1960	1.1113176931918058
1961	1.4059729020358942
1962	1.4032976290769046
1963	1.1815317498788174
1964	1.2246799879395884
1965	1.3665910292938426
1966	1.4274404666501532
1967	1.7770976023817289
1968	1.7799785867237687
1969	1.962017497557305
1970	2.08617019304667
1971	1.8232255595944138
1972	1.9804401931033944
1973	2.034093442057189
1974	1.6634754098360656
1975	1.5629527057125492
1976	1.912929393011582
1977	2.17880630839423
1978	2.26338115223958
1979	2.3173967738401005
1980	2.5204287810644552
1981	1.7840356900057777
1982	2.016200099279146
1983	2.2758769196567346
1984	2.022915399907695
1985	1.9721568285476696
1986	1.7026335929069065
1987	1.4679116342081389
1988	1.6029747779785164
1989	1.3726821380719076
1990	1.0803429937543323
1991	1.273319515791623
1992	10.503337606903232
1993	12.20552433406863
1994	26.302178191623476
1995	26.9534686120455
1996	26.88150779266997
1997	24.251758628756203
1998	21.549739101077176
1999	21.171162697520266
2000	24.73311690829535
2001	22.880243985117183
2002	22.4349006821293
2003	22.51844051897587
2004	22.455251507585274
2005	22.966571659391693
2006	22.999645077458467
2007	23.549122754733524
2008	24.391465650221196
2009	22.04478700080954
2010	21.81010152253906
2011	23.08516809684303
2012	24.21619017130987
2013	22.156192618669092
2014	20.78837244719717
2015	19.362604114378673
2016	17.374503427360423
2017	17.985106282228838
2018	18.869283221546368
2019	19.139498880851388
2020	17.375440445703028