Year	% of total merchandise imports
1970	0.6763601542222111
1971	0.5169471299977935
1972	0.6360897792364193
1973	0.4298117525877684
1974	0.46257694447863235
1975	0.3657579761198619
1976	0.28425163349632787
1977	0.3627457944254319
1978	0.5924996751026957
1979	0.9785248764629791
1980	1.0408410014220173
1981	0.7578552361975298
1982	2.238980732017812
1983	2.1635151397548564
1984	1.580956700078479
1985	2.274916934891447
1986	4.850535306764113
1987	3.677652145629842
1988	3.04541901063982
1989	3.758931911625464
1990	2.1806052143695345
1991	1.33608204112824
1992	1.8948386061916411
1993	2.1040592233413835
1994	2.5614698805235268
1995	2.8935127892013637
1996	3.2762560037801847
1997	3.5314007709738027
1998	3.9741219393426714
1999	4.230920423099013
2000	4.448033598039514
2001	4.874639701031509
2002	5.519443430545272
2003	5.902094224453871
2004	4.172004625203285
2005	3.838846806622425
2006	4.334705897335115
2007	4.924816053038648
2008	5.1408662868712725
2009	6.113552542146464
2010	6.158541371543478
2011	5.9294647974826535
2012	6.06255068041382
2013	6.258932112777791
2014	7.326247659646799
2015	8.589317756129342
2016	8.709312803560778
2017	8.860597385506304
2018	9.140263244583748
2019	10.058101503682874
2020	11.969977734011984