Year	% of total merchandise imports
1981	1.7427432778349998
1982	2.7985656109682124
1983	2.4984404668126783
1984	1.530868316897341
1985	1.6385388507805478
1986	1.3897969114726438
1987	0.1606551626867998
1988	1.1372433841187242
1989	1.2548071012837387
1990	0.23786730963614508
1991	0.28193878330652844
1992	0.04174365500195329
1993	0.02931486961992199
1994	0.10398704770713642
1995	0.4561281336143228
1996	0.5627373703140371
1997	6.825643042700467E-05
1998	0.0226398764293684
1999	0.022617489782174312
2000	0.5142088968259348
2001	0.8329622318650464
2002	0.8077340936916265
2003	1.2772814967566741
2004	2.027614512306949
2005	1.452992250796411
2006	1.5063548919870333
2007	1.9794461120096518
2008	2.1296897163911157
2009	1.810756009308943
2010	1.5133508460887353
2011	1.4655364704730869
2012	1.5571397681276027
2013	1.7318911586762975
2014	1.8293262291361296
2015	1.779092988450889
2016	1.7642317842228448
2017	1.633600388233768
2018	1.7177629414717404
2019	1.5156948220107527
2020	1.5625958412872736