Year % of total merchandise imports 1993 81.29478577993243 1994 83.19171903577232 1995 83.0752258680691 1996 80.35653854223803 1997 76.2582767024457 1998 86.86753797061697 1999 86.96935052746821 2000 86.2491657587008 2001 85.57953918558825 2002 83.81152277528872 2003 82.71147127825628 2004 87.71458173731538 2005 87.38382669642095 2006 86.45961149403765 2007 86.27343911292705 2008 83.83982960153537 2009 84.66197398356216 2010 81.88692134873176 2011 81.3699990457476 2012 82.31224141539026 2013 83.2067753206083 2014 83.80798118804178 2015 83.58680359002292 2016 85.08514090184563 2017 83.86476141277731 2018 82.8046552331595 2019 82.30610014354414 2020 81.6940128476635