Year % of total merchandise imports 1963 4.5398394070413834 1964 4.961240310077519 1966 5.459272097053726 1967 4.599056603773585 1968 6.089795918367347 1969 6.730620454897107 1970 6.142466634507156 1971 4.889298892988929 1972 4.890895410082769 1973 4.45404999060327 1974 4.364033678256957 1975 3.8904476736881777 1976 5.171169003068407 1977 4.861025069177714 1978 4.587514661801121 1979 4.21291576092184 1980 3.4713931490494994 1981 3.039258869833331 1982 2.808859919126079 1983 2.9199555157729136 1984 2.907768537567732 1985 2.807881566291547 1986 2.68707933577847 1987 3.090624841941955 1988 2.538275607504631 1989 3.532224524352828 1990 2.2474685107433934 1991 1.581390018907924 1992 3.0127701781212544 1993 2.116649132440114 1994 3.520382526194706 1995 3.487540853620614 1996 3.849317118915676 1997 4.049184807093774 1998 4.217451717037064 1999 4.577122213468105 2000 4.650800092963264 2001 4.755185847118583 2002 4.7969163664832095 2003 4.688343824599938 2004 5.15334211911151 2005 5.176085863025226 2006 5.1002926107815085 2007 4.861995379945138 2008 6.485801173651215 2009 6.631597875745743 2010 6.622631496559103 2011 4.994481919296579 2012 4.7073138114377775 2013 4.80407364568836 2014 5.041231284536609 2015 5.434241897017047 2016 6.452595220761498 2017 6.076744671683777 2018 5.774767688709859 2019 6.592639828562643 2020 5.6565479892402255