Year % of merchandise imports 1976 56.18667600750658 1977 48.52553745791729 1978 58.01679787300549 1979 56.084810738218124 1980 57.88452038333548 1981 57.856149797433474 1982 55.765060333210826 1983 54.5709049413556 1984 56.56805419212104 1985 59.81468609889765 1986 66.05639222194864 1987 69.49663734434279 1988 66.9587548394859 1989 62.80121105208411 1990 56.141020643699946 1991 53.64181430688751 1992 57.646228144245136 1993 56.830298085430385 1994 55.28682939957999 1995 59.25776074337812 1996 58.11300567413227 1997 56.1563632565428 1998 56.72899054133103 1999 58.7514340341837 2000 51.86192284699898 2001 54.30572706836775 2002 68.62898210291004 2003 65.16829561927914 2004 62.0308715056425 2005 62.41835398905165 2006 59.29028224286904 2007 57.75888621555648 2008 54.63297802171687 2009 59.882106241172664 2010 56.744939980495786 2011 55.99354661696945 2012 51.192807173935826 2013 57.37077349957948 2014 58.12141510865453 2015 57.18405763947314 2016 66.01332705934382 2017 60.91690966724548 2018 59.98025303485577