Year	% of total merchandise imports
1979	0.42322263558483225
1980	0.2127473552297963
1981	0.33230830274774326
1982	0.35405851534652283
1983	0.02664322063251006
1984	0.046089656510770426
1985	0.02418028822903569
1986	0.01756322761942995
1987	0.0062570391690651974
1988	0.020398787584378013
1989	0.01650993901365392
1990	0.027214056516039555
1991	0.22082247985793732
1992	0.09200656983304553
1999	0.14344217464072712
2000	0.3339275594003539
2001	0.263074255727892
2002	0.2302301870442623
2003	0.18327192992425692
2004	0.1643313913272522
2005	0.24777520885644294
2006	0.2519054471337936
2007	0.28090497048857066
2008	0.501777892899557
2009	0.3722006527905716
2010	0.2401401865048872
2011	0.3348224553791824
2012	0.43601697544647605
2013	0.36453425190686656
2014	1.0134966828093792
2015	1.0391494664474552
2016	1.0391482887299135
2017	1.0391497756461052
2018	0.5485870712465992
2019	0.4351786854428498
2020	0.569301341481175