Year % of total merchandise imports 1992 51.90642039886586 1993 43.949756814592185 1994 57.82629181718235 1995 69.06755380620024 1996 70.45259501946371 1997 78.17428673688623 1998 82.20691482157252 1999 82.4867224324865 2000 80.72276516234102 2001 82.24551792208489 2002 83.52462693055847 2003 82.15568034942847 2004 78.41599247559132 2005 80.22715507927347 2006 82.37782198964673 2007 82.38548885346611 2008 79.90602709548148 2009 80.56269119675771 2010 80.47321131147504 2011 81.3913701013862 2012 80.8763769581231 2013 82.74414024943434 2014 83.27665366785708 2015 82.50179009163001 2016 84.12886139559842 2017 84.00515016110994 2018 82.68703357159605 2019 83.86844415365601 2020 83.53033157373187