Year % of total merchandise exports 1993 0.2678501863703552 1994 0.31348166100481434 1995 0.35605441502229945 1996 0.41707702239706135 1997 0.46121076964293367 1998 0.5140578148256805 1999 0.3645624518217142 2000 0.45087086211881194 2001 0.4756117653815642 2002 0.2755302726741423 2003 0.2965825170896999 2004 0.30178948214589707 2005 0.31067796002794323 2006 0.34421847245720644 2007 0.3275713713044967 2008 0.37226542540597796 2009 0.37560098270398806 2010 0.46821011262294426 2011 0.5539864742444925 2012 0.535452609999072 2013 0.5206000697191439 2014 0.4987490478393666 2015 0.5068101014657567 2016 0.5930800369082463 2017 0.6193869808394404 2018 0.5277171352280997 2019 0.45118982667397045 2020 0.37054183374557814