Year	% of merchandise imports
1977	15.959437705633748
2000	15.278944211309138
2001	16.36684772765001
2002	16.528001838265176
2003	17.871451301622084
2004	15.53088290530199
2005	14.33842524312741
2006	14.501203615252056
2007	15.488747384368171
2008	15.406263023416393
2009	16.635863318614483
2010	15.211358486112326
2011	15.53963778031777
2012	14.25054793531667
2013	14.227771466934982
2014	15.084388280760802
2015	15.29625752725431
2016	16.97079348046163
2017	16.611074943669205
2018	17.278527763483126
2019	15.281061055131646
2021	17.160705650603337