Year	% of total merchandise imports
1960	0.035565039566106516
1961	0.05421768400126508
1962	0.1903772931810315
1963	0.3157290470723306
1964	0.2104392920220961
1965	0.2812939521800281
1966	0.25991141047699234
1967	0.10476689366160294
1968	0.39880677014372995
1969	0.6096004990218039
1970	0.8326525932613899
1971	0.9053812273499021
1972	0.39859351513850116
1973	0.5925321161066063
1974	0.5659714131117369
1975	0.5628357368420204
1976	0.23793224521340342
1977	0.57526553314493
1978	0.3331419312512709
1979	0.2873217751313103
1980	0.33005393399730937
1981	0.7673084271964238
1982	0.5532052487656549
1983	0.21667653833700704
1984	0.38538954747553755
1985	0.5210197787583419
1986	0.6562310337498009
1987	0.7719720361630352
1988	0.9285981086658589
1989	0.4263451298089937
1990	0.4761425176463171
1991	0.38110292111075733
1992	1.3834645044989464
1993	0.45407165726310417
1994	2.5061341683137988
1995	3.4433733982514334
1996	2.663234922506978
1997	2.3183566778758777
1998	1.9988342604105707
1999	1.8949697811087567
2000	1.5710400103433806
2001	1.6492690612194703
2002	1.518541150065142
2003	1.6773597996175864
2004	1.839289322040703
2005	2.083172141593934
2006	2.265745146890543
2007	2.2455357219570407
2008	2.6734610378377033
2009	2.8867111981804703
2010	1.8736268436056789
2011	1.7476542190150792
2012	2.216602979578104
2013	1.858843503106174
2014	2.090100535503723
2015	2.0873795433801594
2016	2.5100839369106422
2017	2.9719853804773546
2018	2.522029988919189
2019	2.7308989068419276
2020	3.1282411974567292