Year	% of merchandise imports
1981	63.61819586318882
1982	60.44743346901914
1983	62.86188209185393
1986	68.46018930683219
1987	72.35460467564448
1993	71.24348789166783
1994	72.77346441015243
1995	71.21833315610257
1996	71.23706001443672
1997	70.38017970558565
1999	72.71235846094488
2000	70.12513393029231
2001	71.87850646676229
2002	75.85350501851795
2003	71.448676452863
2004	68.05933118345952
2005	70.38152974720485
2006	70.35636034303332
2007	71.64703219567654
2008	71.60963117669958
2009	71.89718295835804
2010	73.64945156053655
2011	70.65151264779031
2012	69.4054479290134
2013	73.61086272826392
2014	75.49197594836087
2015	71.96330531927181
2016	71.77897987764705
2017	71.0729744325698