Year	% of merchandise imports
1970	0.8623901546106981
1971	0.9348473155807582
1972	0.8550144463898867
1973	0.9662129785373148
1974	1.0038847070173922
1975	0.6873238769567752
1976	0.6824525799027643
1977	0.8446653111676184
1978	1.029729418460086
1979	0.983377396180197
1980	0.8412599676924151
1981	1.0227223224413553
1982	0.890957750233903
1983	1.0781491590704388
1984	1.155170691302706
1985	1.0131716561864905
1986	1.3488490809335778
1987	1.8295466757355914
2002	0.7105067831281477
2003	0.8106038600628567
2004	0.800024792261219
2005	0.8841598583542918
2006	0.9668109416164535
2007	0.9082490010476897
2008	0.9562950584871717
2009	0.8765868066147607
2010	0.877878195958035
2011	0.9540846934644964
2012	0.9948269504721957
2013	0.8471406382139053
2014	0.8537004464058875
2015	1.0209134370724402
2016	0.8830384511865379
2017	0.7353577220408108
2018	1.0127977993498305