Year	% of total merchandise imports
1981	7.623177576020482
1982	11.865783774612341
1983	13.737995790795487
1984	6.526447476546983
1985	8.3514433189739
1986	9.577367997110958
1987	11.537057724269282
1988	15.73965967691035
1989	16.383109741656934
1990	14.779538660005965
1991	11.29966249859244
1992	14.767655856156054
1993	20.354660528938386
1994	24.988016803972794
1995	26.817949205379755
1996	7.112660387154195
1997	6.760546208241893
1998	9.480292989187305
1999	22.062901617501968
2000	13.902191180421793
2001	13.01621327769169
2002	14.251370102871434
2003	12.88365232143039
2004	12.383641835419567
2005	13.138369688153587
2006	10.265902254990964
2007	15.494543441449334
2008	17.109887653064803
2009	18.222404905798676
2010	16.499871190163162
2011	17.179532488181376
2012	15.840480948832802
2013	15.032946694041188
2014	17.44688926334261
2015	18.6340509426091
2016	18.357751785628835
2017	16.96427721815804
2018	14.916705877107583
2019	18.755713737985957
2020	17.951351846218785