Year	% of merchandise imports
2001	17.953802219889436
2002	17.529304341151576
2003	20.3180827706893
2004	16.533703363264202
2005	16.113921711759428
2007	13.333851057490559
2008	15.045029748815276
2009	15.845214698098726
2010	16.368856069607588
2011	16.430170535327917
2012	15.344890927555934
2013	15.24704268468588
2014	16.543085706171357
2015	17.270010728050163
2016	19.160244124134167
2017	18.8381498711488
2018	20.73497141181839
2019	17.339759820125842