Year % of merchandise imports 1974 41.83005319643859 1975 38.98683042491737 1976 40.598306753257695 1981 36.911008833834465 1997 68.51701027519394 1998 70.72915421256734 1999 65.29611602769818 2000 63.73506116094457 2001 59.54035968187159 2002 58.799576687013676 2003 58.02459656914808 2004 59.59266426877657 2005 56.03140845750025 2006 54.39812681510474 2007 58.51615312202266 2008 52.82579910303286 2009 58.86808492501116 2010 57.62777970600422 2011 52.1455994855863 2012 54.44900901159378 2013 54.611156328775536 2014 55.699830253851395 2015 56.652358072192975 2016 59.91095316891161 2017 63.0402087471376 2018 61.458053412633795 2019 60.68046374734299 2020 62.57890552537872 2022 60.41417156500932