Year	% of total merchandise imports
1981	7.6988952641945705
1982	33.30547853600255
1983	10.264219255182175
1984	11.153076151053964
1985	10.035440026375273
1986	11.068820947771181
1987	10.169012694026028
1988	10.601399102453913
1989	10.066357754976432
1990	12.154135147484388
1991	14.05802746196314
1992	14.651838546069316
1993	15.63082783882303
1994	17.60866567660811
1995	13.190046004886238
1996	20.18918104204756
1997	21.265111621962014
1998	21.802187917709954
1999	20.98555420204537
2000	23.115996578854794
2001	23.77600502304199
2002	26.39629175974579
2003	24.302271037132353
2004	21.209896943033854
2005	17.45891974041247
2006	15.78661793425782
2007	18.741340292956256
2008	16.69592050136765
2009	19.03393739609248
2010	17.713444076264516
2011	16.110362522923218
2012	15.771908966249676
2013	15.3605276788311
2014	15.496865841405683
2015	19.445795022228236
2016	19.655591115399893
2017	18.900184502445743
2018	15.605908569338913
2019	16.196944061232074
2020	20.232575720688097