Year	% of total merchandise imports
1970	5.216087493385077
1971	4.595560919157214
1972	5.1468857358274285
1973	4.6356499797881225
1974	4.511967022432859
1975	5.605219229993894
1976	5.358103957692658
1977	5.888745409520271
1978	7.25340294611225
1979	9.92023732343176
1980	12.014366871017582
1981	8.65015884354381
1982	9.78770532647107
1983	10.444124440631633
1984	9.006437625336442
1985	9.474828207973788
1986	11.373150912353225
1987	11.069576646948068
1988	10.570963681842944
1989	10.710736451344609
1990	8.229286548168366
1991	6.429676912391429
1992	21.379724444072075
1993	17.001262985581533
1994	17.700242476505743
1995	16.627799999049905
1996	16.362061890559207
1997	15.532314804771785
1998	13.873262007298964
1999	14.633245583431181
2000	18.387932247695712
2001	19.057596389836604
2002	18.913046137143333
2003	19.52800173196673
2004	16.9388812629134
2005	17.961272144596848
2006	19.568182241176007
2007	19.004152445182765
2008	20.311046673765944
2009	19.467902023831787
2010	20.82110474069414
2011	22.963161696361617
2012	24.951843400412617
2013	23.133187252064623
2014	23.112465843457567
2015	21.90602562642195
2016	20.55612066544031
2017	21.27618795100337
2018	22.725068873322698
2019	22.70159868253406
2020	22.923674735299034