Year % of merchandise imports 1962 22.708348157855166 1975 18.744848191495603 1976 21.037725728949724 1977 20.95704121203487 1978 22.763765381112606 1979 20.934827167518343 1980 18.85136170616954 1981 20.413800750150816 1982 21.824450203889985 1983 22.74652766933376 1999 15.777272062892319 2000 15.087405740555104 2001 15.357576808626828 2002 15.24112515226483 2003 12.205878291063094 2004 13.624997413371062 2005 13.150625860084453 2006 12.005054262780677 2007 10.61346539755644 2008 11.654736081258454 2009 12.060492549017178 2010 11.032906310220616 2011 11.647374682906658 2012 13.122381703299318 2013 13.517820226065103 2014 13.42755020524818 2015 15.764868690140203