Year	% of merchandise imports
1993	9.783841700083443
1994	11.393635337572407
1998	11.284429463526587
1999	10.36324616396121
2005	14.857453757319544
2006	15.668732896579037
2007	15.898373191907572
2008	17.44007567881082
2009	17.521580691459185
2010	15.236940208427683
2011	15.1563326726883
2012	18.416099154385517