Year	% of total merchandise imports
1960	4.3999999999999995
1961	3.5856573705179287
1962	4.10958904109589
1963	3.4482758620689653
1964	4.310344827586207
1965	3.8834951456310676
1966	3.7735849056603774
1967	3.508771929824561
1968	1.3059701492537312
1969	2.427616537810433
1970	1.8203640728145631
1971	1.4599252154121283
1972	1.3216505947427677
1973	1.3628276598268296
1974	1.0492211550656627
1975	1.021288729804972
1981	3.788709645257134
1982	2.5011394078002627
1983	2.8261037861332516
1984	1.2827747151573246
1985	2.7530554440555735
1986	0.9038072648090062
1987	0.973356953156845
1988	1.1034618675703798
1989	1.891143754980389
1990	2.975484350247429
1991	2.476851149316063
1992	2.0974401341425972
1993	2.2470904358238197
1994	2.5335978349515
1995	5.437345484261808
1996	7.597273256318006
1997	7.467285978885517
1998	3.574961204884191
1999	5.919749083372627
2000	5.3090087538752595
2001	3.7202984755002237
2002	5.955455896944449
2003	5.654138952214512
2004	6.8780345281391595
2005	8.539077066674556
2006	15.280434326513923
2007	17.990986274708632
2008	27.259548260189177
2009	26.827488162349006
2010	32.11616389488211
2011	17.518968183003185
2012	30.950679012923842
2013	41.779354187439
2014	31.84381417737474
2015	26.25512119814833
2016	28.58870913353141
2017	29.15569384461975
2018	36.61005593933895
2019	42.6893021831549
2020	47.0766098607881