Year % of total merchandise exports 1997 8.914804183369252 1998 8.028354744274523 1999 7.829927389383055 2000 8.326607386768854 2001 7.985774550182553 2002 8.302834099790713 2003 8.333662582343646 2004 8.5725843458081 2005 8.879743332326184 2006 9.137782776926477 2007 9.56804118130071 2008 10.163923926058942 2009 10.786506513861084 2010 12.26657384844055 2011 13.456754783153347 2012 14.249380687195295 2013 14.682626708177915 2014 14.486108321826716 2015 13.335949835828457 2016 13.328103691973054 2017 14.019007031619127 2018 13.370344050570788 2019 12.57909080511205 2020 12.549348881379021