Year % of merchandise exports 1963 75.54087320141039 1964 73.73941841356886 1965 76.1530950316881 1966 77.5596236128051 1967 75.94794385362944 1968 73.37157853065703 1969 71.49881352217162 1970 71.7700910386345 1971 78.95429198080794 1972 74.06614364497159 1973 66.52236396429456 1974 54.27488379725685 1975 58.46571119792729 1976 69.72135457415563 1977 72.48141698699295 1978 74.1729606560946 1979 74.0889768118523 1980 75.10448556611168 1981 76.36317353817961 1982 78.82614277129625 1983 77.37626638894784 1984 80.6893429652325 1985 84.73235251332446 1986 89.4355132952857 1987 89.14415227274371 1993 81.81757219107439 1994 80.01919076130443 1995 86.87589547330258 1996 70.05716110459655 1997 65.25470728324065 1998 72.14460223911064 1999 62.393777054064216 2000 65.33567493213053 2001 66.27285331152389 2002 61.53363200536581 2003 61.3085485768162 2004 62.779080466346585 2005 64.4969230105027 2006 57.398913343051284 2007 52.12071524561108 2009 55.25916816379526 2010 54.11063419158539 2011 64.89057870753953 2012 54.485548362883094 2014 52.7578275791005 2015 59.197554963635746 2016 60.80386954536653 2017 62.80261516168634 2018 59.931944464416745 2019 71.06640577168717 2020 61.51803554213803 2021 62.00564986579802