Year	% of total merchandise imports
1970	2.204974422296701
1971	1.863576391546924
1972	2.0385918347155934
1973	2.245109373950367
1974	1.7475995749527196
1975	1.581591438768895
1976	1.823838721287209
1977	2.066467171657381
1978	2.2357454839274715
1979	2.251067345383557
1980	2.724026888195363
1981	2.2223997593849276
1982	2.5730846907315423
1983	2.595520287050229
1984	2.317191081229395
1985	2.1905385381322335
1986	2.1241060191018675
1987	2.091870709909193
1988	2.2693609894468825
1989	1.7653819132870845
1990	1.22722107765315
1991	1.1269744732028013
1992	11.596757530564288
1993	9.501646319863468
1994	9.869674673491245
1995	9.675431885074918
1996	9.406012271759145
1997	8.628410524054708
1998	6.929156623167132
1999	7.721473072885658
2000	11.554506738187168
2001	11.372156461722822
2002	10.90986019645477
2003	11.110546515450666
2004	10.811297491360488
2005	12.484625949335884
2006	13.488065678798836
2007	12.377942770384548
2008	13.456485228569656
2009	11.338340403831253
2010	12.99105699842164
2011	15.229493949159462
2012	17.008791193522644
2013	14.91410436905593
2014	13.64789599697615
2015	10.499247459447353
2016	9.07620718922143
2017	9.680555462080646
2018	10.935171348049332
2019	9.797531144970257
2020	8.18075681301205