Year % of total merchandise exports 1960 13.629974186623048 1961 14.085129363248072 1962 11.869781207060564 1963 12.016880537732968 1964 12.709715023866162 1965 13.272112968898902 1966 13.983521667120904 1967 14.614560501665997 1968 13.061974130352883 1969 12.910962836329306 1970 11.795055762474018 1971 10.494664304664388 1972 9.854929192864327 1973 11.065194946999714 1974 11.84636091886506 1975 12.733855933799953 1976 9.906873811787072 1977 9.456334745370798 1978 10.473762978205968 1979 11.216520039100685 1980 11.7261945830746 1981 11.038511038511038 1982 10.701779729573559 1983 11.143873781321648 1984 10.26715354261146 1985 11.734947780605193 1986 8.699540294230669 1987 8.135300194063976 1988 8.860492494849407 1989 9.473248805951465 1990 10.189386391961042 1991 11.076753480161509 1992 12.052178391908786 1993 14.246754566118538 1994 15.353338089383383 1995 17.436870792499143 1996 18.227037726936256 1997 17.051482629799033 1998 13.520950440647614 1999 14.780553067878035 2000 16.381624259192286 2001 17.770285834547636 2002 19.56170594845932 2003 22.05134521419066 2004 22.829189686509185 2005 23.16701819583149 2006 23.197364764114916 2007 24.49622868969167 2008 25.871698332713166 2009 29.22284603069643 2010 30.8923639804202 2011 31.39879450364956 2012 31.445070865117327 2013 30.75955962541963 2014 30.506350451961932 2015 29.58903229252194 2016 29.500789274544797 2017 31.21960518154978 2018 32.13906696917504 2019 31.58369523207564 2020 33.95125253640504