Year % of total merchandise exports 1992 37.06128168061776 1993 46.621089805879976 1994 42.871779016510715 1995 38.333989305883996 1996 36.45088596647708 1997 29.595628093750577 1998 18.9113379453855 1999 12.080238116467022 2000 8.72752698147222 2001 10.501490025188561 2002 10.22193660553215 2003 9.919891889728973 2004 11.41768613671518 2005 12.376534714908324 2006 17.099997453134634 2007 18.074596601469008 2008 19.93243827152382 2009 18.981471124360095 2010 20.985096974098397 2011 23.259824891998782 2012 24.017265696712535 2013 22.96448496764387 2014 20.954963101012826 2015 17.901989495094266 2016 17.63688058786456 2017 20.105651554079184 2018 19.24167383633825 2019 20.55407783918147 2020 19.118361208156614